Zeitschriften

• Kabus M, Aumiller M, Rühm A, Pongratz T, Hoffmann MJ, Buchner A, Sroka R, Pohla H
  Combining 5-ALA-PDT with berbamine as an in vitro multimodal therapy approach against bladder cancer cells.
  Scientific Reports. 2026 April 1; 16(1):11228.  https://doi.org/10.1038/s41598-026-46092-x

• Zhang L, Pohla H, Rühm A, Stepp H, Sroka R
  Investigation of the impact of D, L-methadone on ALA-PDT in multiple glioblastoma cell lines
  Photochemical & Photobiological Sciences. 2026 March 11. https://doi.org/10.1007/s43630-026-00863-7

• Zhang L, Zeng, Kang Z, Fang S, Huang T, Pohla H, Wang X, Rühm A, Sroka R
  Investigation of the impact of resveratrol on sublethal-dose ALA-PDT in glioblastoma cells
  Photochemical & Photobiological Sciences. 2026 March 9. https://doi.org/10.1007/s43630-026-00877-1

Zeitschriften

• Engelage L, Behnel N, Lumiani A, Tamalunas A, Buchner A, Sroka R
  Comparison of PSA Values from capillary dried blood spot analysis and venous serum samples
  PLoS One 20(10): e0335448. https://doi.org/10.1371/journal.pone.0335448

• Yan J, Zhang L, Zeng Q, Qian Y, Li K, Liu X, Wu Y, Yan Y, Zhang H, Cheung S, Liu J, Sroka R, Wang X, Shi L.
  

  Mechanistic insights into 5-aminolevulinic acid photodynamic therapy for acne vulgaris: targeting lipogenesis via the OLR1-Wnt/β-catenin pathway
  Mol Med. 2025 Feb 4;31(1):41. DOI: 10.1186/s10020-025-01104-w

• Eggert D, Gaertner D, Rühm A, Sroka R, Arens C, Davaris N, Birkmeier K, Brodschelm A, Leisching P, Studier H, Becker W, König K, Betz CS.
  Differentiation of Tumors of the Upper Respiratory Tract Using Optical Metabolic Imaging
  Lasers Surg Med. 2025 Feb;57(2):147-153. DOI: 10.1002/lsm.23870

• Zenner C, Hall LJ, Roy S, Hauer J, Sroka R, Maiti KS.
  Measurement of Bacterial Headspaces by FT-IR Spectroscopy Reveals Distinct Volatile Organic Compound Signatures
  Anal Chem. 2025 Jan 14;97(1):106-113. DOI: 10.1021/acs.analchem.4c02899

• Baldini F, Dholakia K, French P, Guntinas-Lichius O, Kohler A, Mäntele W, Marcu L, Sroka R, Umapathy S, Popp J.
  Shining a Light on the Future of Biophotonics
  J Biophotonics. 2025 May 14:e202500148. DOI: 10.1002/jbio.202500148

• Haiyan Zhang, Yu Yan, Yan Zhao, Zhongxia Zhou, Jiawen Gao, Ronald Sroka, Linglin Zhang a, Xiuli Wang. 
  Efficacy of ALA-PDT for epidermoid cyst on the face: A retrospective study
  Photodiagnosis and Photodynamic Therapy. 2025 August 57:104641. DOI: 10.1016/j.pdpdt.2025.104641

Konferenz-Artikel

• Lucas Engelage, Agron Lumiani, et al.
  MRI-guided transurethral ultrasound ablation (TULSA) for localized prostate cancer: a single-center evaluation of 300 patients
  Proc. SPIE. PC13293, Advanced Photonics in Urology 2025
• L. Engelage, N. Behnel, et al.
  Deep learning-based detection of prostate cancer grades and chronic prostatitis in biparametric MRI
  Proc. SPIE. 13293, Advanced Photonics in Urology 2025
• L. Engelage, N. Behnel, et al.
  Artificial intelligence in urology: combining imaging and clinical data for improved prostate diagnostics
  Proc. SPIE. 13293, Advanced Photonics in Urology 2025
  
  

Zeitschriften

• Felicio-Briegel A, Linek M, Sroka R, Rühm A, Freymüller C, Stocker M, Baumeister P, Reichel C, Volgger V.
  

  Hyperspectral imaging for monitoring of free flaps of the oral cavity: A feasibility study
  Lasers Surg Med. 2024 Feb;56(2):165-174. DOI: 10.1002/lsm.23756

• Chalissery P, Homann C, Stepp H, Eisel M, Aumiller M, Rühm A, Buchner A, Sroka R.
  Influence of vitamins and food on the fluorescence spectrum of human urine
  Lasers Surg Med. 2024 Jul;56(5):485-495. DOI: 10.1002/lsm.23785
• Aumiller M, Arazar A, Sroka R, Dietrich O, Rühm A.
  

  Investigations on correlations between changes of optical tissue properties and NMR relaxation times
  Photodiagnosis Photodyn Ther. 2024 Feb;45:103968. DOI: 10.1016/j.pdpdt.2024.103968

• Stepp H, Sroka R.

  Simple Characterization of Cylindrical Diffuser Fibers With a Fluorescent Layer
  Lasers Surg Med. 2024 Aug;56(6):597-605. DOI: 10.1002/lsm.23821

• Maiti KS, Fill E, Strittmatter F, Volz Y, Sroka R, Apolonski A.
  

  Standard operating procedure to reveal prostate cancer specific volatile organic molecules by infrared spectroscopy
  Spectrochim Acta A Mol Biomol Spectrosc. 2024 Jan 5;304:123266. DOI: 10.1016/j.saa.2023.123266

• Pachyn E, Aumiller M, Freymüller C, Linek M, Volgger V, Buchner A, Rühm A, Sroka R.
  

  Investigation on the influence of the skin tone on hyperspectral imaging for free flap surgery
  Sci Rep. 2024 Jun 17;14(1):13979. DOI: 10.1038/s41598-024-64549-9

Konferenz-Artikel

• F. Wäger, C. Freymüller, et al.
  Laser-tissue interaction of pump-probe elastography (PPE) on human teeth
  Proc. SPIE. 12844, Optical Elastography and Tissue Biomechanics XI
• Maximilian Aumiller, Stefanie Quach, et al.
  Interstitial photodynamic therapy for malignant gliomas: the Munich experience
  Proc. SPIE. 12828, Neural Imaging and Sensing 2024
• Ronald Sroka, Maximilian Aumiller, et al.
  Hyperspectral imaging in otorhinolaryngology: the Munich experience
  Proc. SPIE. PC12818, Imaging, Therapeutics, and Advanced Technology in Head and Neck Surgery and Otolaryngology 2024
• Adrian Rühm, Matthäus Linek, et al.
  Translation of hyperspectral imaging into clinical practice: potential, challenges, and strategies
  Proc. SPIE. PC12996, Unconventional Optical Imaging IV
• Maximilian Aumiller, Marco Foglar, et al.
  Interstitial photodynamic therapy of malignant gliomas: survival and follow-up analysis
  Proc. SPIE. 13009, Clinical Biophotonics III
• Ronald Sroka, Anne Schliemann, et al.
  Non-invasive zinc protoporphyrin screening offers opportunities for secondary prevention of iron deficiency in blood donors
  Proc. SPIE. PC13008, Biophotonics in Point-of-Care III
  
  
  
  
  
  

Zeitschriften

• Setia A, Dikic S, Demhasaj S, Schmitz-Rixen T, Sroka R, Schmedt C-G.
  Prospects of Endovenous Laser Ablation (EVLA) Standardization—Mid-Term Results of a Four-Zone Dosimetry Guiding Tool for 1940 nm Laser
  Journal of Clinical Medicine. 2023; 12(13):4313. DOI: 10.3390/jcm12134313 

• Maiti KS, Fill E, Strittmatter F, Volz Y, Sroka R, Apolonski A.
  Standard operating procedure to reveal prostate cancer specific volatile organic molecules by infrared spectroscopy
  Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. Published online August 22, 2023:123266. DOI: 10.1016/j.saa.2023.123266

• Anne Schliemann, Christian Homann, Georg Hennig, Alexander Lang, Lesca Miriam Holdt, Michael Vogeser, Ronald Sroka, Herbert Stepp, Franz Weinauer, Ernst-Markus Quenzel
  Non-Invasive Zinc Protoporphyrin Screening Offers Opportunities for Secondary Prevention of Iron Deficiency in Blood Donors
  Transfus Med Hemother 9 August 2023; 50 (4): 303–312. DOI: 10.1159/000528545
  

• Foglar, M.; Aumiller, M.; Bochmann, K.; Buchner, A.; El Fahim, M.; Quach, S.; Sroka, R.; Stepp, H.; Thon, N.; Forbrig, R.; et al.
  Interstitial Photodynamic Therapy of Glioblastomas: A Long-Term Follow-up Analysis of Survival and Volumetric MRI Data
  Cancers 2023, 15, 2603. DOI: 10.3390/cancers15092603 
  

• Quach, S., Schwartz, C., Aumiller, M., Foglar, M., Schmutzer, M., Katzendobler, S., El Fahim, M., Forbrig, R., Bochmann, K., Egensperger, R., Sroka, R., Stepp, H., Rühm, A., Thon, N., 
  Interstitial photodynamic therapy for newly diagnosed glioblastoma
  Journal of Neuro-Oncology 162, 217–223. 2023 DOI: 10.1007/s11060-023-04284-9

• Rühm, A., Aumiller, M., Fahim, M.E., Foglar, M., Heckl, C., Quach, S., Thon, N., Bochmann, K., Forbrig, R., Ertl-Wagner, B., Stepp, H., Sroka, R.
  Interstitial photodynamic therapy – What we have learned from spectral online monitoring and medical imaging
  Photodiagnosis and Photodynamic Therapy 41, 103427. 2023  DOI: 10.1016/j.pdpdt.2023.103427

Konferenz-Artikel

• Christian Freymüller, Stephan Ströbl, Matthias Domke, Maximilian Aumiller, Maximilian Eisel, Ronald Sroka, Adrian Rühm
  Microstructured tissue phantom for fluorescence microscopes and endoscopes
  Proc. SPIE 12630, Advances in Microscopic Imaging IV, 126300X (9 August 2023); https://doi.org/10.1117/12.2670912
• Ester Pachyn, Maximilian Aumiller, Alexander Buchner, Christian Freymüller, Matthäus Linek, Veronika Volgger, Ronald Sroka
  Investigation on the influence of the skin tone on hyperspectral imaging data interpretation for free flap surgery
  Proc. SPIE 12627, Translational Biophotonics: Diagnostics and Therapeutics III, 126271U (11 August 2023); https://doi.org/10.1117/12.2670934
  
• Matthäus Linek, Isabel Schrader, Veronika Volgger, Adrian Rühm, Ronald Sroka
  Hyperspectral imaging for perfusion assessment of the skin with convolutional neuronal networks
  Proc. SPIE 11919, Translational Biophotonics: Diagnostics and Therapeutics, 119190C (7 December 2021); https://doi.org/10.1117/12.2614462
  

• Aumiller, M., Heckl, C., Quach, S., Eisel, M., Freymüller, C., Ertl-Wagner, B., Stepp, H., Thon, N., Sroka, R., Rühm, A., 
  Investigation on Changes of Optical Tissue Properties related to iPDT on Malignant Gliomas
   Photodiagnosis and Photodynamic Therapy 41, 103438. 2023  https://doi.org/10.1016/j.pdpdt.2023.103438
  

• A. Rueck, J. Wieland, B. von Einem, K. Reess, C. Freymueller, R. Sroka, D. Nobre Sarmento, N. Naskar,
  Metabolic FLIM and oxygen PLIM/dFLIM: Techniques, algorithms and applications (Conference Presentation)
  Proc. SPIE PC12384, Multiphoton Microscopy in the Biomedical Sciences XXIII, PC1238405 (15 March 2023); https://doi.org/10.1117/12.2654939
  

• Rühm, A., Aumiller, M., Fahim, M.E., Foglar, M., Heckl, C., Quach, S., Thon, N., Bochmann, K., Forbrig, R., Ertl-Wagner, B., Stepp, H., Sroka, R.
  Interstitial photodynamic therapy – What we have learned from spectral online monitoring and medical imaging
  Photodiagnosis and Photodynamic Therapy 41, 103427. 2023 https://doi.org/10.1016/j.pdpdt.2023.103427

• Aumiller, M., El Fahim, M., Foglar, M., Quach, S., Bochmann, K., Stepp, H., Forbrig, R., Thon, N., Sroka, R., Rühm, A.
  Investigation on MRI Changes Related to iPDT on Malignant Gliomas
  Photodiagnosis and Photodynamic Therapy 41, 103467. 2023  https://doi.org/10.1016/j.pdpdt.2023.103467

Zeitschriften

• Kellerer T, Janusch J, Freymüller C, Rühm A, Sroka R, Hellerer T.
  Comprehensive Investigation of Parameters Influencing Fluorescence Lifetime Imaging Microscopy in Frequency- and Time-Domain Illustrated by Phasor Plot Analysis
  International Journal of Molecular Sciences. 2022; 23(24):15885. DOI: 10.3390/ijms232415885
  
• Assmann W, Becker R, Stief C, Sroka R.
  Development and pre-clinical test of a phosphorous-32 containing polyetheretherketone foil aiming at urethral stricture prevention by low-dose-rate brachytherapy.
  J Contemp Brachytherapy. 2022 Apr;14(2):189-197. DOI: 10.5114/jcb.2022.115205. Epub 2022 Apr 2. PMID: 35494188; PMCID: PMC9044302.

• Eismann L, Kretschmer A, Alghamdi A, Eisel M, Sroka R, Stief CG, Strittmatter F
  Clinical Evaluation of Single-Use, Fiber-Optic, and Digital Ureterorenoscopes in the Treatment of Kidney Stones
  Urol Int. 106(5):476-481 (2022), DOI: 10.1159/000521505. PMID: 35279662

• Werner M, Lyu C, Stadlbauer B, Schrader I, Buchner A, Stepp H, Sroka R, Pohla H
  The role of Shikonin in improving 5-aminolevulinic acid-based photodynamic therapy and chemotherapy on glioblastoma stem cells. Photodiagnosis and Photodynamic Therapy.
  2022;39:102987. DOI: https://doi.org/10.1016/j.pdpdt.2022.102987

• Freymüller C, Ströbl S, Aumiller M, Eisel M, Sroka R, Rühm A
  Development of a microstructured tissue phantom with adaptable optical properties for use with microscopes and fluorescence lifetime imaging systems.
  Lasers Surg Med. 2022; 54: 1010– 1026. https://doi.org/10.1002/lsm.23556

• Setia A, Schmedt CG, Sroka R
  Endovenous laser ablation using laser systems emitting at wavelengths > 1900 nm: a systematic review
  Lasers Med Sci (2022), published online ahead of print 2022/07/12. DOI: 10.1007/s10103-022-03609-w

Zeitschriften

• Bader MJ, Eisel M, Strittmatter F, Nagele U, Stief CG, Pongratz T, Sroka R, Training and Research in Urological Surgery and Technology (T.R.U.S.T.)-Group
  Comparison of stone elimination capacity and drilling speed of endoscopic clearance lithotripsy devices
  World Journal of Urology 39(2), 563-569 (2021)

• Heckl C, Lang A, Rühm A, Sroka R, Duffield T, Vogeser M, Paal M
  Spectrophotometric evaluation of hemolysis in plasma by quantification of free oxyhemoglobin, methemoglobin and methemalbumin in presence of bilirubin
  J Biophotonics 14(5), e202000461 (2021)

• Heckl, C., Eisel, M., Lang, A., Homann, C., Paal, M., Vogeser, M., Rühm, A., Sroka, R.
  Spectroscopic methods to quantify molecules of the heme-biosynthesis pathway: A review of laboratory work and point-of-care approaches.
  Translational Biophotonics. 2021;3(2):e202000026. doi: 0.1002/tbio.202000026

• Freymüller C, Kalinina S, Rück A, Sroka R, Rühm A
  Quenched coumarin derivatives as fluorescence lifetime phantoms for NADH and FAD
  J Biophotonics 14(7), e202100024 (2021)

• Setia, A., Schmedt, C.-G., Beisswenger, A., Dikic, S., Demhasaj, S., Setia, O., Schmitz-Rixen, T., Sroka, R.
  Safety and efficacy of endovenous laser ablation (EVLA) using 1940 nm and radial emitting fiber: 3-year results of a prospective, non-randomized study and comparison with 1470 nm.
  Lasers in Surgery and Medicine 54, 511–522. DOI: 10.1002/lsm.23500

• Lietke S, Schmutzer M, Schwartz C, Weller J, Siller S, Aumiller M, Heckl C, Forbrig R, Niyazi M, Egensperger R, Stepp H, Sroka R, Tonn JC, Rühm A, Thon N
  Interstitial Photodynamic Therapy Using 5-ALA for Malignant Glioma Recurrences
  Cancers (Basel) 13(8), 1767 (2021)

• Suero Molina E, Hellwig SJ, Walke A, Jeibmann A, Stepp H, Stummer W
  Development and validation of a triple-LED surgical loupe device for fluorescence-guided resections with 5-ALA
  J Neurosurg., 1-9 (2021) [Epub ahead of print], doi: 10.3171/2021.10.JNS211911

• Lumiani A, Samun D, Sroka R, Muschter R
  Single center retrospective analysis of fifty-two prostate cancer patients with customized MR-guided transurethral ultrasound ablation (TULSA)
  Urol Oncol. 39(12), 830.e9-830.e16 (2021)

• Aumiller M, Heckl C, Quach S, Stepp H, Ertl-Wagner B, Sroka R, Thon N, Rühm A
  Interrelation between Spectral Online Monitoring and Postoperative T1-Weighted MRI in Interstitial Photodynamic Therapy of Malignant Gliomas
  Cancers (Basel) 14(1), 120 (2021)

• Kalinina S, Freymueller C, Naskar N, von Einem B, Reess K, Sroka R, Rueck A
  Bioenergetic Alterations of Metabolic Redox Coenzymes as NADH, FAD and FMN by Means of Fluorescence Lifetime Imaging Techniques
  Int J Mol Sci. 22(11), 5952 (2021)

• Linek M, Felicio-Briegel A, Freymüller C, Rühm A, Englhard AS, Sroka R, Volgger V
  Evaluation of hyperspectral imaging to quantify perfusion changes during the modified Allen test
  Lasers Surg Med. 2021 [Epub ahead of print], DOI: 10.1002/lsm.23479

• Maiti KS, Fill E, Strittmatter F, Volz Y, Sroka R, Apolonski A
  Towards reliable diagnostics of prostate cancer via breath
  Sci Rep. 11(1):18381 (2021), DOI: 10.1038/s41598-021-96845-z. PMID: 34526529

Zeitschriften

• Shi L, Pohla H, Buchner A, Zhang L, Pongratz T, Rühm A, Zimmermann W, Gederaas OA, Wang X, Stepp H, Sroka R
  MOP-dependent enhancement of methadone on the effectiveness of ALA-PDT for A172 cells by upregulating phosphorylated JNK and BCL2
  Photodiagnosis Photodyn Ther. 30, 101657 (2020)

• Füllenbach C, Stein P, Glaser P, Triphasu C, Lindau S, Choorapoikayil S, Schmitt E, Zacharowski K, Hintereder G, Hennig G, Homann C, Stepp H, Spahn GH, Kaserer A, Schedler A, Meybohm P, Spahn DR
  Screening for iron deficiency in surgical patients based on noninvasive zinc protoporphyrin measurements
  Transfusion, 60(1), 62-72 (2020)

• Strittmatter F, Eisel M, Brinkmann R, Cordes J, Lange B, Sroka R
  Laser-induced lithotripsy: a review, insight into laboratory work, and lessons learned
  Translational Biophotonics, e201900029 (2020)

• Eisel M, Strittmatter F, Ströbl S, Freymüller C, Pongratz T, Sroka R
  Comparative investigation of reusable and single-use flexible endoscope for urological interventions
  Scientific Reports 10(1), 5701 (2020)

• Heckl C, Aumiller M, Rühm A, Sroka R, Stepp H
  Fluorescence and treatment light monitoring for interstitial photodynamic therapy
  Photochem Photobiol. 96(2), 388-396 (2020)

• Ströbl S, Domke M, Rühm A, Sroka R
  Investigation of non-uniformly emitting optical fiber diffusers on the light distribution in tissue
  Biomedical Optics Express 11(7), 3601-3617 (2020)

• Zou J, Li W, Men N, Jiang J, Wu C, Lei TC, Sroka R, Huang Z
  Evaluation of lensed fibers used in photodynamic therapy (PDT)
  Photodiagnosis and Photodynamic Therapy 31, 101924 (2020)

• Müller P, Abdel Gaber S, Zimmermann W, Wittig R, Stepp H
  ABCG2 influence on the efficiency of photodynamic therapy in glioblastoma cells
  J Photochem Photobiol B 210, 111963 (2020)

• Ströbl S, Wäger F, Domke M, Rühm A, Sroka R
  Homogeneously emitting, mechanically stable, and efficient fs-laser-machined fiber diffusers for medical applications
  Lasers in Surgery and Medicine (2020) [Epub ahead of print], doi: 10.1002/lsm.23365

• Lerchenberger M, Gündogar U, Al Arabi N, Gallwas JKS, Stepp H, Hallfeldt KKJ, Ladurner R
  Indocyanine green fluorescence imaging during partial adrenalectomy
  Surg Endosc. 34(5):2050-2055 (2020), DOI: 10.1007/s00464-019-06985-7. PMID: 31342258

Konferenz-Artikel

• Heckl C, Aumiller M, Rühm A, Stepp H, Sroka R
  Influence of oxy-, deoxy- and met-hemoglobin absorption in interstitial photodynamic therapy
  Biophotonics Congress: Biomedical Optics 2020, Paper TW1B.8 (2020)

• Ströbl S, Wäger F, Domke M, Sroka R
  Efficient and mechanical stable laser machined optical fiber diffuser for clinical applications
  Biophotonics Congress: Biomedical Optics 2020, Paper TW2B.4 (2020)

Zeitschriften

• Mahmoudi K, Garvey KL, Bouras A, Cramer G, Stepp H, Jesu Raj JG, Bozec D, Busch TM, Hadjipanayis CG
  5-aminulevulinic acid photodynamic therapy for the treatment of high-grade gliomas
  J Neurooncol. 141(3), 595-607 (2019)

• Shi L, Luo M, Zhang F, Zhang L, Wang B, Liu P, Zhang Y, Zhang H, Yang D, Zhang G, Zhou F, Stepp H, Sroka R, Chen WR, Wang X
  Photothermal therapy enhanced the effectiveness of imiquimod against refractory cutaneous warts through boosting immune responses
  J Biophotonics. 12(2), e201800149 (2019)

• Homann C, Hennig G, Maier F, Stepp H, Holdt LM, Vogeser M, Sroka R, Koletzko B
  Non-invasive measurement of erythrocyte zinc protoporphyrin in children
  Pediatr Res. 85(3), 349-354 (2019)

• Zheng Z, Zhang LL, Shi L, Yhang YF, Bo W, Wu QQ, Fang F, Wang WQ, Sroka R, Wang XL
  What is the most relevant factor during ALA-PDT? A multi-center, open clinical pain score research about actinic keratosis, acne and condylomatata acuminata
  Photondiagnosis Photodyn Ther. 26, 73-78 (2019)

• Wen L, Zhang Y, Zhang L, Liu X, Wang P, Shen S, Hu C, Guo L, Jiang W, Sroka R, Wang X
  Application of different noninvasive diagnostic techniques used in HMME-PDT in the treatment of port wine stains
  Photodiagnosis Photodyn Ther. 25; 369-375 (2019)

• Ströbl S, Vonach C, Gratt J, Domke M, Sroka R
  Ultrafast-laser manufacture of radially emitting optical fiber diffusers for medical applications
  JLMN-Journal of Laser Mico/Nanoengineering 14(1), 43-48 (2019), doi: 10.2961/jlmn.2019.01.0008

• Shi L, Buchner A, Pohla H, Pongratz T, Rühm A, Zimmermann W, Gederaas OA, Zhang L, Wang X, Stepp H, Sroka R
  Methadone enhance the effectiveness of 5-aminolevulinic acid-based photodynamic therapy for squamous cell carcinoma and glioblastoma in vitro
  J Biophotonics. 12(10), e201800468 (2019)

• Ladurner R, Lerchenberger M, Al Arabi N, Gallwas JKS, Stepp H, Hallfeldt KKJ
  Parathyroid autofluoercence - how does it affect parathyroid and thyroid surgery? A 5 year experience
  Molecules 24(14), 2560 (2019)

• Lerchenberger M, Gündogar U, Al Arabi N, Gallwas JKS, Stepp H, Hallfeldt KKJ, Ladurner R
  Indocyanine green fluorescence imaging during partial adrenalectomy
  Surg Endosc, 34(5), 2050-2055 (2019)

• Lerchenberger M, Al Arabi N, Gallwas JKS, Stepp H, Hallfeldt KKJ, Ladurner R
  Intraoperative near-infrared autofluorescence and indocyanine green imaging to identify parathyroid glands: a comparison
  Int J Endocrinol 2019, 4687951 (2019), doi: 10.1155/2019/4687951

• Stepp H, Stummer W
  Light can treat inoperable brain tumours
  Nature 565(7738):161 (2019), DOI: 10.1038/d41586-019-00020-4. PMID: 30626953

Konferenz-Artikel

• Stroebl S, Domke M, Trebst T, Sroka R
  Comparison of imaging and non-imaging based methods to determine the radiation profile of fiber diffusers for photodynamic therapy
  Proceedings of the SPIE 10872, 1087216 (2019)

• Stroebl S, Domke M, Trebst T, Sroka R
  Radiation profile measurement methods for optical light diffusers: comparison of radiation profiles measured in air with emission in human brain phantom
  Proceedings of the SPIE 11079, 1107912 (2019)

• Freymüller C, Eisel M, Ströbl S, Rühm A, Sroka R
  Investigations on thermography in laser medicine
  Proceedings of the SPIE 11079, 1107909 (2019)

• Heckl C, Lang A, Vogeser M, Stauch T, Homann C, Hennig G, Sroka R, Stepp H
  Rapid spectrophotometric quantification of urinary porphyrins and porphobilinogen as screening tool for attacks of acute porphyria
  Proceedings of the SPIE 11079, 110790E (2019)

• Aumiller M, Rühm A, Eisel M, Freymüller C, Stepp H, Liemert A, Kienle A, Sroka R
  Individualization of interstitial photodynamic therapy for malignant gliomas
  Proceedings of the SPIE 11079, 110790P (2019)

• Stepp H, Rühm A, Sroka R, Stummer W
  Interstitial photodynamic therapy (iPDT) of brain tumours
  Proceedings of the SPIE 11070, 110701Z (2019)

• Schmedt CG, Diki S, Setia A, Marius M, Demhasaj S, Sroka R, Schmitz-Rixen T
  1 - Year results of endovenous laser therapy with 1940 nm laser; longer wavelength and lesser energy density (level 2 study)
  European Journal of Vascular & Endovascular Surgery 58(6) Suppl. 3, E767-E768 (2019), doi: 10.1016/j.ejvs.2019.09.334

Zeitschriften

• Ladurner R, Al Arabi N, Guendogar U, Hallfeldt KKJ, Stepp H, Gallwas JKS
  Near-infrared autofluorescence imaging to detect parathyroid glands in thyroid surgery
  Ann R Coll Surg Engl. 100(1), 33-36 (2018)

• Schrötzlmair F, Suchan F, Pongratz T, Krause E, Müller J, Sroka R
  Laser-assisted fixation of nitinol stapes prosthesis
  Lasers Surg Med. 50(2), 153-157 (2018)

• Abdel Gaber SA, Müller P, Zimmermann W, Hüttenberger D, Wittig R, Abdel Kader MH, Stepp H
  ABCG2-mediated suppression of chlorin e6 accumulation and photodynamic therapy efficiency in glioblastoma cell lines can be reversed by KO143
  J Photochem Photobiol B 178, 182-191 (2018)

• Paal M, Lang A, Hennig G, Buchholtz ML, Sroka R, Vogeser M
  A second-derivate fitting algorithm for the quantification of free hemoglobin in human plasma
  Clin Biochem. 56, 62-69 (2018)

• Stepp H, Stummer W
  5-ALA in the management of malignant glioma
  Lasers Surg Med. 50(5), 399-419 (2018)

• Lang A, Heckl C, Vogeser M, Stauch T, Homann C, Hennig G, Sroka R, Stepp H
  Rapid spectrophotometric quantification of urinary porphyrins and porphobilinogen as screening tool for attacks of acute porphyria
  J. Biomed. Opt. 23(5), 1-12 (2018)

• Domke M, Wick S, Laible M, Rapp S, Huber HP, Sroka R
  Ultrafast dynamics of hard tissue ablation using femtosecond-lasers
  J Biophotonics 11(10), e201700373 (2018)

• Eisel M, Ströbl S, Pongratz T, Stepp H, Rühm A, Sroka R
  Investigation of optical properties of dissected and homogenized biological tissue
  J Biomed Opt. 23(9), 1-9 (2018)

• Eisel M, Ströbl S, Pongratz T, Strittmatter F, Sroka R
  Holmium:yttrium-aluminum-garnet laser induced lithotripsy: in-vitro investigations on fragmentation, dusting, propulsion and fluorescence
  Biomedical Optics Express 5115, 9(11) (2018)

• Zhu L, Wang P, Zhang G, Zhang L, Liu X, Hu C, Yang X, Sroka R, Zhou Z, Wang X
  Conventional versus daylight photodynamic therapy for actinic keratosis: a randomized and prospective study in China
  Photodiagnosis Photodyn Ther. 24, 366-371 (2018)

Konferenz-Artikel

• Sroka R, Rühm A, Stepp H, Markwardt N
  Investigations and developments for PDT in brain tumors
  Proceedings of the SPIE 10685, 1068502 (2018)

• Sroka R, Pongratz T, Strittmatter F, Eisel M, Stephan S
  In-vitro investigation on fragmentation/dusting and fluorescence during Ho:YAG-Laser induced lithotripsy
  Proceedings of the SPIE 10468, 1046807 (2018)

• Landa FJO, Deán-Ben XL, Sroka R, Razansky D
  Four-dimensional optoacoustic temperature mapping in laser-induced thermotherapy
  Proceedings of the SPIE 10494, 104940D (2018)

Zeitschriften

• Sroka R, Dominik N, Eisel M, Esipova A, Freymüller C, Heckl C, Hennig G, Homann C, Hoehne N, Kammerer R, Kellerer T, Lang A, Markwardt N, Pohla H, Pongratz T, Schmedt CG, Stepp H, Ströbl S, Ulaganathan K, Zimmermann W, Rühm A
  Research and developments of laser assisted methods for translation into clinical application
  Frontiers of Optoelectronics 10(3) 239-254 (2017) DOI: https://doi.org/10.1007/s12200-017-0724-6
• Landa FJO, Deán-Ben XL, Sroka R, Razansky D
  Volumetric optoacoustic temperature mapping in photothermal therapy
  Sci. Rep. 7(1), 9695 (2017)
• Wang B, Xu YT, Zhang L, Zheng J, Sroka R, Wang HW, Wang XL
  Protoporphyrin IX fluorescence as potential indicator of psoriasis severity and progression
  Photodiagnosis Photodyn Ther. 19, 304-307 (2017)
• Trottmann M, Sroka R, Braun C, Liedl B, Schaaf H, Graw M, Becker AJ, Stief CG, Khoder WY
  Micro-endoscopy of the human vas deferens: a feasibility study of a novel device in several ex vivo models
  Andrology 5(1), 75-81 (2017)
• Markwardt NA, Stepp H, Franz G, Sroka R, Goetz M, Zelenkov P, Rühm A
  Remission spectrometry for blood vessel detection during stereotactic biopsy of brain tumors
  J Biophotonics 10(8), 1080-1094 (2017)
• Oestreicher E, Bartsch H, Mayr D, Schubert M, Weber B, Kneschaurek P, Assmann W, Sroka R, Betz CS
  Preclinical study investigating the potential of low-dose-rate brachytherapy with 32P stents for the prevention of restenosis of paranasal neo-ostia
  Brachytherapy. 16(1), 207-214 (2017)
• Hillemanns P, Wimberger P, Reif J, Stepp H, Klapdor R
  Photodynamic diagnosis with 5-aminolevulinic acid for intraoperative detection of peritoneal metastases of ovarian cancer: A feasibility and dose finding study
  Lasers Surg Med. 49(2), 169-176 (2017)
• Stummer W, Stepp H, Wiestler OD, Pichlmeier U
  Randomized, prospective double-blinded study comparing 3 different doses of 5-aminolevulinic acid for fluorescence-guided resection of malignant gliomas
  Neurosurgery 81(2), 230-239 (2017)
• Ladurner R, Sommerey S, Al Arabi N, Hallfeldt K, Stepp H, Gallwas J
  Intraoperative near-infrared autofluorescence imaging of parathyroid glands.
  Surg Endosc. 31(8), 3140-3145 (2017)
• Englhard AS, Betz T, Voggler V, Lankenau E, Ledderose GJ, Stepp H, Homann C, Betz CS
  Intraoperative assessment of laryngeal pathologies with optical coherence tomography integrated into a surgical microscope
  Laser Surg Med. 49(5), 490-497 (2017)
• Hillemanns P, Wimberger P, Reif J, Stepp H, Klapdor R
  Photodynamic diagnosis with 5-aminolevulinic acid for intraoperative detection of peritoneal metastases of ovarian cancer: A feasibility and dose finding study
  Laser Surg Med. 49(2), 169-176 (2017)
• Eisel M, Ströbl S, Pongratz T, Strittmatter F, Sroka R
  In vitro investigations of propulsion during laser lithotripsy using video tracking
  Laser Surg Med. 50(4), 333-339 (2017)
• Englhard AS, Palaras A, Volgger V, Stepp H, Mack B, Libl D, Gires O, Betz CS
  Confocal laser endomicroscopy in head and neck malignancies using FITC-labelled EpCAM- and EGF-R-antibodies in cell lines and tumor biopsies
  J Biophotonics 10(10), 1365-1376 (2017)

Konferenz-Artikel

• Sroka R, Eisel M, Pongratz T, Ulaganathan K, Strittmatter F
  Investigations on the fluorescence of urinary Stones: how to assist the MD
  Proceedings of the SPIE 10038, 1003804 (2017)
• Eisel M, Ulaganathan K, Strittmatter F, Pongratz T, Sroka R
  Investigations to improve laser induced lithrotripsy
  Proceedings of the SPIE 10038, 100380E (2017)
• Sroka R, Stepp H, Bayer W, Markwardt N, Rühm A
  Photodynamic diagnosis and related optical techniques for the Management of malignant glioma
  Proceedings of the SPIE 10340, 1034014 (2017)
• Sroka R, Esipova A, Schmedt C G
  Physical Basics of endovenous laser treatment and potential of innovative developments
  Proceedings of the SPIE 10340, 1034013 (2017)
• Sroka R, Frank J, Reichenberger F, Behr J, Gesierich W
  Investigation on the potential of thulium-fibre-laser Irradiation for in-stent tissue ablation
  Proceedings of the SPIE 10041, 100410L (2017)
• Oyaga Landa F J, Dean-Ben X L, Sroka R, Razansky D
  Real-time three-dimensional temperature mapping in photothermal therapy with optoacoustic tomography
  Proceedings of the SPIE 10415, 104150A (2017)

Zeitschriften

• Ladurner R, Sommerey S, Arabi NA, Hallfeldt KK, Stepp H, Gallwas JK
  Intraoperative near-infrared autofluorescence imaging of parathyroid glands
  Surg Endosc. 31(8), 3140-3145 (2016)

• Meidert AS, Lang A, Hennig G, Bernasconi P, Peraud A, Briegel J, Hüttl TK
  Falsely low values of oxygen saturation measured by pulse oximetry in a boy treated with Chinese herb tea
  J Clin Monit Comput. 31(2), 481-484 (2016)

• Markwardt NA, Haj-Hosseini N, Hollnburger B, Stepp H, Zelenkov P, Rühm A
  405 nm versus 633 nm for protoporphyrin IX excitation in fluorescence-guided stereotactic biopsy of brain tumors
  J Biophotonics 9(9), 901-912 (2016)

• Fehm TF, Deán-Ben XL, Schaur P, Sroka R, Razansky D
  Volumetric optoacoustic imaging feedback during endovenous laser therapy - an ex vivo investigation
  J Biophotonics 9(9), 934-941 (2016)

• Stock K, Steigenhöfer D, Pongratz T, Graser R, Sroka R
  Investigation on cavitation bubble dynamics induced by clinically available Ho:YAG lasers
  Photon Lasers Med 5(2), 141-150 (2016)

• Peller M, Willerding L, Limmer S, Hossann M, Dietrich O, Ingrisch M, Sroka R, Lindner LH
  Surrogate MRI markers for hyperthermia-induced release of doxorubicin from thermosensitive liposomes in tumors
  J Control Release 237, 138-146 (2016)

• Volgger V, Girschick S, Ihrler S, Englhard AS, Stepp H, Betz CS
  Evaluation of confocal laser endomicroscopy as an aid to differentiate primary flat lesions of the larynx: A prospective clinical study
  Head Neck 38 (Suppl 1), E1695-E1704 (2016)

• Hennig G, Homann C, Teksan I, Hasbargen U, Hasmüller S, Holdt LM, Khaled N, Sroka R, Stauch T, Stepp H, Vogeser M, Brittenham GM
  Non-invasive detection of iron deficiency by fluorescence measurement of erythrocyte zinc protoporphyrin in the lip
  Nat Commun. 7, 10776 (2016)

• Willerding L, Limmer S, Hossann M, Zengerle A, Wachholz K, Ten Hagen TL, Koning GA, Sroka R, Lindner LH, Peller M
  Method of hyperthermia and tumor size influence effectiveness of doxorubicin release from thermosensitive liposomes in experimental tumors
  J Control Release 222, 47-55 (2016)

• Trottmann M, Sroka R, Stepp H, Liedl B, Becker AJ, Stief CG, Kölle S
  Probe-based confocal laser endomicroscopy (pCLE): a preclinical investigation of the male genital tract
  Lasers Med Sci. 31(1), 57-65 (2016)

• Trottmann M, Kölle S, Leeb R, Doering D, Reese S, Stief CG, Dulohery K, Leavy M, Kuznetsova J, Homann C, Sroka R
  Ex vivo investigations on the potential of optical coherence tomography (OCT) as a diagnostic tool for reproductive medicine in a bovine model
  J Biophotonics 9(1-2), 129-137 (2016)

• Betz CS, Kraft M, Arens C, Schuster M, Pfeffer C, Rühm A, Stepp H, Englhard A, Volgger V
  Optical diagnostic methods for early tumour diagnosis in the upper aerodigestive tract: Quo vadis?
  HNO 64(1), 41-48 (2016)

• Sroka R, Lilge L
  Laser-advanced new methods for diagnostics and therapeutics
  Photonics Lasers Med 5(1), 1-4 (2016)

Buchartikel

• Sroka R
  Physikalische Grundlagen der thermischen Ablationsverfahren
  In: F Netzer, editor. Endoluminale Varizentherapie, De Gruyter. (2015)

• Sroka R, Müller J, Schrötzlmair F
  Laser-assisted implantation of nitinol stapes prosthesis
  In: B Wong, J Ilgner, editors. Biomedical Optics in Otorhinolaryngology, Head and Neck Surgery, Springer. (2016)

• Sroka R, von Holzschuher V, Zengel P, Schrötzlmair F
  Laser-lithotripsy of salivary stones
  In: B Wong, J Ilgner, editors. Biomedical Photonics in Otorhinolaryngology, Head and Neck Surgery, Springer. (2016)

Konferenz-Artikel

• Markwardt N, Götz M, Haj-Hosseini N, Hollnburger B, Sroka R, Stepp H, Zelenkov P, Rühm A
  Detection limits of 405 nm and 633 nm excited PpIX fluorescence for brain tumor detection during stereotactic biopsy
  Proceedings of the SPIE 9887, Biophotonics: Photonic Solutions for Better Health Care V, 98872Z. (2016)

• Domke M, Gratt J, Sroka R
  Fabrication of homogeneously emitting optical fiber diffusors using fs-laser ablation
  Proceedings of the SPIE 9740, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XVI, 97400O (2016)

• Fehm TF, Deán-Ben XL, Schaur P, Sroka R, Razansky D
  Volumetric optoacoustic monitoring of endovenous laser treatments
  Proceedings of the SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 97080F (2016)

• Fürst ST, Hasmüller S, Burges A, Pongratz T, Sailer B, Heide M, Sroka R
  Ex-vivo investigation on the potential of 1470 nm diode laser light for enucleation of uterine leiomyoma
  Photon. Lasers Med. 5(1), 33-42 (2015)
• Fehm, T.F., Deán-Ben, X.L., Schaur, P., Sroka, R. and Razansky, D.
  Volumetric optoacoustic imaging feedback during endovenous laser therapy – an ex vivo investigation.
  J. Biophoton, 9: 934-941. DOI: 10.1002/jbio.201500210  (2016)
  
• Markwardt, N.A., Haj-Hosseini, N., Hollnburger, B., Stepp, H., Zelenkov, P. and Rühm, A.
  405 nm versus 633 nm for protoporphyrin IX excitation in fluorescence-guided stereotactic biopsy of brain tumors.
  J. Biophoton, 9: 901-912. DOI: 10.1002/jbio.201500195  (2016)
  
• Khoder WY, Stief CG, Fiedler S, Pongratz T, Beyer W, Hennig G, Rühm A, Sroka R.
  In-vitro investigations on laser-induced smoke generation mimicking the laparoscopic laser surgery purposes.
  J Biophotonics. 8(9), 714-722 (2015)
• Sommerey S, Al Arabi N, Ladurner R, Chiapponi C, Stepp H, Hallfeldt KK, Gallwas JK.
  Intraoperative optical coherence tomography imaging to identify parathyroid glands.
  Surg Endosc. 29(9), 2698-2704 (2015)
• Ronald Sroka, Herbert Stepp, Georg Hennig, Gary M. Brittenham, Adrian Rühm, Lothar Lilge
  Medical laser application: translation into the clinics
  J. Biomed. Opt. 20(6) 061110 (16 June 2015) DOI: 10.1117/1.JBO.20.6.061110
• Trottmann M, Stepp H, Sroka R, Heide M, Liedl B, Reese S, Becker AJ, Stief CG, Kölle S.
  Probe-based confocal laser endomicroscopy (pCLE) - a new imaging technique for in situ localization of spermatozoa.
  J Biophotonics. 8(5), 415-421 (2015)
• Schrötzlmair F, Müller M, Pongratz T, Eder M, Johnson T, Vogeser M, von Holzschuher V, Zengel P, Sroka R.
  Laser lithotripsy of salivary stones: Correlation with physical and radiological parameters.
  Lasers Surg Med. 47(4), 342-349 (2015)
• Sroka R, Pongratz T, Scheib G, Khoder W, Stief CG, Herrmann T, Nagele U, Bader MJ.
  Impact of pulse duration on Ho:YAG laser lithotripsy: treatment aspects on the single-pulse level.
  World J Urol. 33(4), 479-485 (2015)
• Bader MJ, Pongratz T, Khoder W, Stief CG, Herrmann T, Nagele U, Sroka R.
  Impact of pulse duration on Ho:YAG laser lithotripsy: fragmentation and dusting performance.
  World J Urol. 33(4), 471-477 (2015)
• Gallwas J, Stanchi A, Ditsch N, Schwarz T, Dannecker C, Mueller S, Stepp H, Mortensen U.
  Effect of optical clearing agents on optical coherence tomography images of cervical epithelium.
  Lasers Med Sci. 30(2), 517-525 (2015)

Buchartikel

• Sroka R
  Physikalische Grundlagen der thermischen Ablationsverfahren
  In: F Netzer, editor. Endoluminale Varizentherapie, De Gruyter. (2015)

Konferenz-Artikel

• Lang A, Stepp H, Homann C, Hennig G, Brittenham GM, Vogeser M
  Rapid screening test for porphyria diagnosis using fluorescence spectroscopy
  Proceedings of the SPIE 9537, 953706 (2015)
• Sroka R, Lellig K, Bader M, Stief C, Weidlich P, Wechsel G, Assmann W, Becker R, Fedorova O, Khoder W
  In-vivo laser induced urethral stricture animal model for investigating the potential of LDR-brachytherapy
  Proceedings of the SPIE 9303, 93030X (2015)
• Sroka R, Pongratz T, Esipova A, Dikic S, Demhasaj S, Comsa F, Schmedt CG
  Endovenous laser therapy for occlusion of incompetent saphenous veins using 1940nm
  Proceedings of the SPIE 9542, 95420D (2015)
• Abdel-Hamid S, Zimmermann W, Huettenberger D, Wittig R, Abdel-Kader M, Stepp H
  In vitro study for photodynamic therapy using Fotolon® in glioma treatment
  Proceedings of the SPIE 9542, 95420B (2015)
• Domke M, Wick S, Laible M, Rapp S, Kuznetsova J, Homann C, Huber HP, Sroka R
  Investigations of the damage mechanisms during ultrashort pulse laser ablation of dental tissue
  Proceedings of the SPIE 9542, 95420Q (2015)
• Markwardt N, von Berg A, Fiedler S, Goetz M, Haj-Hosseini N, Polzer C, Stepp H, Zelenkov P, Rühm A
  Optical spectroscopy for stereotactic biopsy of brain tumors
  Proceedings of the SPIE 9542, 954208 (2015)

Zeitschriften

• Schmedt CG, Dikic S, Esipova A, Demhasaj S, Sroka R
  Endovenöse Lasertherapie der Varikose - Evidenz und Perspektiven
  Gefässchirurgie, 19(7), 622-628 (2014)
• Siedek V, Nehls K, Zur Nieden K, Leunig A, Sroka R
  Influence of laser light on bioimplants used in otorhinolaryngology
  Lasers Med Sci 29(3), 965-972 (2014)
• Gallwas J, Stanchi A, Dannecker C, Ditsch N, Mueller S, Mortensen U, Stepp H
  Effect of acetic acid on optical coherence tomography (OCT) images of cervical epithelium
  Lasers Med. Sci. 29(6), 1821-1828 (2014)
• Rühm A, Göbel W, Sroka R, Stepp H
  ICG-assisted blood vessel detection during stereotactic neurosurgery: Simulation study on excitation power limitations due to thermal effects in human brain tissue
  Photodiagnosis Photodyn Ther. 11(3), 307-318 (2014)
• Eigenbrod S, Trabold R, Brucker D, Erös C, Egensperger R, La Fougere C, Göbel W, Rühm A, Kretzschmar HA, Tonn JC, Herms J, Giese A, Kreth FW.
  Molecular stereotactic biopsy technique improves diagnostic accuracy and enables personalized treatment strategies in glioma patients
  Acta Neurochirurgica 156(8), 1427-1440 (2014)
• Khoder WY, Bader M, Sroka R, Stief C, Waidelich R
  Efficacy and safety of Ho:YAG laser lithotripsy for ureteroscopic removal of proximal and distal ureteral calculi
  BMC Urol. 14, 62-1-7 (2014)
• Havel M, Betz CS, Leunig A, Sroka R
  Diode laser-induced tissue effects: In vitro tissue model study and in vivo evaluation of wound healing following non-contact application
  Lasers Surg. Med. 46(6), 449–455 (2014)
• Rühm A, Baumgartl M, Steigenhöfer D, Pongratz T, Bader M, Khoder W, Sroka R
  Investigation of repulsion effects during lithotripsy
  Photon. Lasers Med. 3(1), 47-55 (2014)
• Khoder WY, Bader MJ, Haseke N, Stief CG, Baumgartl M, Pongratz T, Ronald Sroka
  In-vitro comparisons of retropulsion and fragmentation efficacy of 2 cordless, handheld pneumatic and electromechanical lithotripsy devices
  Urology 83(4), 726-731 (2014)
• Gesierich W, Reichenberger F, Fertl A, Haeussinger K, Sroka R
  Endobronchial therapy with a thulium fiber laser (1940 nm)
  J. Thorac. Cardiovasc. Surg. 147(6), 1827-1832 (2014)
• Stummer W, Tonn JC, Goetz Claudia, Ullrich W, Stepp H, Bink A, Pietsch T, Pichlmeier U
  5-Aminolevulinic acid-derived tumor fluorescence: the diagnostic accuracy of visible fluorescence qualities as corroborated by spectrometry and histology and postoperative imaging
  Neurosurgery 74(3), 310-319, discussion 319-320 (2014)
• Hennig G, Gruber C, Vogeser M, Stepp H, Dittmar S, Sroka R, Brittenham GM
  Dual-wavelength excitation for fluorescence-based quantification of zinc protoporphyrin IX and protoporphyrin IX in whole blood
  J. Biophotonics 7(7), 514-524 (2014)

Konferenz-Artikel

• Rühm A, Stepp H, Beyer W, Hennig G, Pongratz T, Sroka R, Schnell O, Tonn JC, Kreth FW
  5-ALA based photodynamic management of glioblastoma
  Proceedings of the SPIE 8928, 89280E (2014)
• Sroka R, Pongratz T, Eder M, Domes M, Vogeser M, Johnson T, Siedeck V, Schrötzlmair F, Zengel P
  Investigation on laser induced salivary stone fragmentation
  Proceedings of the SPIE 8926, 89262E (2014)
• Sroka R, Kiris T, Fiedler S, Scheib G, Kuznetsova J, Pongratz T
  Investigation on the impact of pulse duration for laser induced lithotripsy
  Proceedings of the SPIE 8926, 89261G (2014)
• Sroka R, Fiedler S, Pongratz T, Beyer W, Hennig G, Rühm A, Khoder W
  Investigation on the smoke development during Laparoscopic surgery
  Proceedings of the SPIE 8926, 89261D (2014)
• Freitag B, Sroka R, Kölle S, Becker AJ, Khoder W, Pongratz T, Stief CG, Trottmann M
  Intraluminal occlusion of the seminal duct by laser and Histoacryl: Two non-invasive alternatives for vasectomy
  Proceedings of the SPIE 8926, 89261C (2014)
• Hennig G, Vogeser M, Holdt LM, Homann C, Großmann M, Stepp H, Gruber C, Erdogan I, Hasmüller S, Hasbargen U, Brittenham GM
  Dual-wavelength excitation to reduce background fluorescence for fluorescence spectroscopic quantitation of erythrocyte zinc protoporphyrin-IX and protoporphyrin-IX from whole blood and oral mucosa
  Proceedings of the SPIE 8951, 89510J (2014)

Zeitschriften

• Assmann W, Becker R, Otto H, Bader M, Clemente L, Reinhardt S, Schäfer C, Schirra J, Uschold S, Welzmüller A, Sroka R
  Implants with 32P-foils for LDR-brachytherapy of benign stenosis in urology and gastroenterology
  Z. Med. Phys. 23(1), 21-32 (2013)
• Bader MJ, Stepp H, Beyer W, Pongratz T, Sroka R, Kriegmair M, Zaak D, Welschof M, Tilki D, Stief CG, Waidelich R
  Photodynamic therapy of bladder cancer - a phase I study using hexaminolevulinate (HAL)
  Urol. Oncol. 31(7), 1178-1183 (2013)
• Ladurner R, Hallfeldt KK, Al Arabi N, Stepp H, Mueller S, Gallwas JK
  Optical coherence tomography as a method to identify parathyroid glands
  Lasers Surg Med 45(10), 654-659 (2013)
• Rink M, Babjuk M, Catto JW, Jichlinski P, Shariat SF, Stenzl A, Stepp H, Zaak D, Witjes JA
  Hexyl aminolevulinate-guided fluorescence cystoscopy in the diagnosis and follow-up of patients with non-muscle-invasive bladder cancer: a critical review of the current literature
  Eur. Urol. 64(4), 624-638 (2013)
• Schrötzlmair F, Suchan F, Kisser U, Hempel J M, Sroka R, Müller J
  Promising clinical results of an innovative self-crimping stapes prosthesis in otosclerosis surgery
  Otol Neurotol 34(9), 1571-1575 (2013)
• Volgger V, Stepp H, Ihrler S, Kraft M, Leunig A, Patel PM, Susarla M, Jackson K, Betz CS
  Evaluation of optical coherence tomography to discriminate lesions of the upper aerodigestive tract
  Head Neck 35(11), 1558-1566 (2013)
• Siedek V, Nehls K, zur Nieden K, Leunig A, Sroka R
  Influence of laser light on bioimplants used in otorhinolaryngology
  Lasers Med. Sci. 29(3), 965-972 (2013)
• Betz CS, Zhorzel S, Schachenmayr H, Stepp H, Matthias C, Hopper C, Harréus U
  Endoscopic assessment of free flap perfusion in the upper aerodigestive tract using indocyanine green: A pilot study
  J. Plast. Reconstr. Aesthet. Surg. 66(5), 667-674 (2013)
• Ivanov AV, Rumyantseva VD, Shilov IP, Markushev VM, Panas AI, Ryabov As, Mironov AF, Terentyuk GS, Rühm A, Barishnikov AY, Shchamkhalov KS
  Low toxic ytterbium complexes of 2,4-dimethoxyhematoporphyrin IX for luminescence diagnostics of tumors
  Photon. Lasers Med. 2(3), 175-187 (2013)
• Kniebühler G, Pongratz T, Betz CS, Göke B, Sroka R, Stepp H, Schirra J
  Photodynamic therapy for cholangiocarcinoma using low dose mTHPC (Foscan®)
  Photodiagnosis and Photodynamic Therapy 10(3), 220-228 (2013)
• Hennig G, Brittenham GM, Sroka R, Kniebühler G, Vogeser M, Stepp H
  Bandwidth-variable tunable optical filter unit for illumination and spectral imaging systems using thin-film optical band-pass filters
  Rev. Sci. Instrum. 84(4), 043113 (2013)
• Hennig G, Stepp H, Sroka R, Beyer W
  Comparison of an accelerated weighted fluorescence Monte Carlo simulation method with reference methods in multi-layered turbid media
  Appl. Opt. 52(5), 1066-1075 (2013)
• Johansson A, Faber F, Kniebühler G, Stepp H, Sroka R, Egensperger R, Beyer W, Kreth FW
  Protoporphyrin IX fluorescence and photobleaching during interstitial photodynamic therapy of malignant gliomas for early treatment prognosis
  Lasers in Surgery and Medicine 45(4), 225-234 (2013)
• Bader MJ, Zilinberg K, Weidlich P, Waidelich R, Püls M, Gratzke C, Stief CG, Stepp H, Sroka R
  Encrustation of urologic double pigtail catheters - an ex vivo optical coherence tomography (OCT) study
  Lasers Med. Sci. 28(3), 919-924 (2013)
• Sroka R, Pongratz T, Siegrist K, Burgmeier C, Barth HD, Schmedt CG
  Endovenous laser application strategies to improve endoluminal energy application
  Phlebologie 42(3), 121-129 (2013 )
• Sroka R, Hemmerich M, Pongratz T, Siegrist K, Brons J, Linden S, Meier R, Schmedt CG
  Endovenous laser application possibilities of online monitoring
  Phlebologie 42(3), 131-138 (2013)

Buchartikel

• Stepp H, Stummer W
  Delineating normal from diseased brain by aminolevulinic acid-induced fluorescence
  In: Madsen SJ, editors. Optical Methods and Instrumentation in Brain Imaging and Therapy. 173-205 (2013)

Konferenz-Artikel

• Sroka R, Püls M, Stepp H, Zillinberg K, Bader M, Weidlich P
  OCT assisted identification of the grade of encrustation of urologic catheters
  Proceedings of the SPIE 8803, 88030Q (2013)
• Stepp H, Kniebühler G, Pongratz T, Betz CS, Göke B, Sroka R, Schirra J
  Low dose mTHPC photodynamic therapy for cholangiocarcinoma
  Proceedings of the SPIE 8803, 88030M (2013)
• Englhard A, Girschick S, Mack B, Volgger V, Gires O, Conderman C, Stepp H, Betz CS
  Probe-based confocal laser endomicroscopy in head and neck malignancies: early preclinical experience
  Proceedings of the SPIE 8805, 880506 (2013)
• Schrötzlmair F, Suchan F, Kisser U, Hempel JM, Sroka R, Müller J
  Die NiTiBOND®-Stapesprothese als vielversprechende Neuentwicklung in der Otosklerosechirurgie
  84th Annual Meeting of the German Society of Oto-Rhino-Laryngology, Head and Neck Surgery (2013), http://dx.doi.org/10.3205/13hnod527
• Sroka R, Suchan F, Pongratz T, Schrötzlmair F, Saal D, Russ D, Müller J
  Innovative laserbasierte Implantation der neuartigen NiTiBOND®-Stapesprothese
  84th Annual Meeting of the German Society of Oto-Rhino-Laryngology, Head and Neck Surgery (2013), http://dx.doi.org/10.3205/13hnod543
• Sroka R, Pongratz T, Crameri G, Haseke N, Bader M, Khoder W
  In vitro assessment of fragmentation and repulsion of handheld lithotripsie devices
  Proceedings of the SPIE 8565, 85651C-1-4 (2013)
• Sroka R, Pongratz T, Havel M, Englert E, Kremser T, Betz CS, Leunig A
  Comparison of 1470nm diode laser vs. C02-laser for tonsillotomy and a clinical feasability trial on the use of 1940nm in ENT
  Proceedings of the SPIE 8565, 85652O-1-5 (2013)

Zeitschriften

• Bach T, Muschter R, Sroka R, Gravas S, Skolarikos A, Herrmann TR, Bayer T, Knoll T, Abbou CC, Janetschek G, Bachmann A, Rassweiler JJ
  Laser treatment of benign prostatic obstruction: basics and physical differences
  Eur Urol 61(2), 317-325 (2012)
• Gallwas J, Gaschler R, Stepp H, Friese K, Dannecker C
  3D optical coherence tomography of cervical intraepithelial neoplasia - early experience and some pitfalls
  Eur J Gynaecol Oncol 33(1), 37-41 (2012)
• Gallwas J, Mortensen U, Gaschler R, Ochsenkühn R, Stepp H, Friese K, Dannecker C
  Validation of an ex vivo human cervical tissue model for optical imaging studies
  Laser Surg Med 44(3), 245-248 (2012)
• Gallwas J, Mortensen U, Gaschler R, Stepp H, Ditsch N, Friese K, Dannecker C
  Diagnostic efficacy of backscattering intensity measurements in optical coherence tomography of cervical intraepithelial dysplasia
  Laser Surg Med 44(1), 11-19 (2012)
• Göbel W, Brucker D, Kienast Y, Johansson A, Kniebühler G, Rühm A, Eigenbrod S, Fischer S, Goetz M, Kreth F-W, Ehrhardt A, Stepp H, Irion K-M, Herms J
  Optical needle endoscope for safe and precise stereotactically guided biopsy sampling in neurosurgery
  Opt Express 20(24), 26117-26126 (2012)
• Havel M, Sroka R, Englert E, Stelter K, Leunig A, Betz CS
  Intraindividual comparison of 1,470 nm diode laser versus carbon dioxide laser for tonsillotomy: a prospective, randomized, double blind, controlled feasibility trial
  Lasers Surg Med 44(7), 558-563 (2012)
• Khoder WY, Sroka R, Siegert S, Stief CG, Becker AJ
  Outcome of laser-assisted laparoscopic partial nephrectomy without ischaemia for peripheral renal tumours
  World J Urol 30(5), 633-638 (2012)
• Khoder WY, Zilinberg K, Waidelich R, Stief CG, Becker AJ, Pongratz T, Hennig G, Sroka R
  Ex vivo comparison of the tissue effects of six laser wavelengths for potential use in laser supported partial nephrectomy
  J Biomed Opt 17(6), 068005 (2012)
• Sroka R, Haseke N, Pongratz T, Hecht V, Tilki D, Stief CG, Bader MJ
  In vitro investigations of repulsion during laser lithotripsy using a pendulum set-up
  Lasers Med Sci 27(3), 637-643 (2012)
• Sroka R, Havel M, Betz C, Kremser T, Leunig A
  Clinical feasibility trial on 1940 nm Tm: fiber laser intervention of hyperplastic inferior nasal turbinates
  Photonics & Lasers in Medicine 1(3), 215–222 (2012)
• Sroka R, Weick K, Steckmaier S, Steckmaier B, Blagova R, Sroka I, Sadeghi-Azandaryani M, Maier J, Schmedt CG
  The ox-foot-model for investigating endoluminal thermal treatment modalities of varicosis vein diseases
  ALTEX-Altern Anim Exp 29(4), 403-410 (2012)
• Wang HW, Lv T, Zhang LL, Guo MX, Stepp H, Yang K, Huang Z, Wang XL
  Prospective study of topical 5-aminolevulinic acid photodynamic therapy for the treatment of moderate to severe acne vulgaris in Chinese patients
  J Cutan Med Surg 16(5), 324-333 (2012)

Patente

• Sroka R, Roths J, Lugauer F
  Vorrichtung und Verfahren zur Überwachung und Regelung der Wirkungen von elektromagnetischen Strahlen bei medizinischen Anwendungen
  Patent BayPat B71162 (2012)

Konferenz-Artikel

• Shevchenko N, Fallert JA, Stepp H, Sahli H, Karl A, Lueth TC
  A high resolution bladder wall map: Feasibility study
  Conf Proc IEEE Eng Med Biol Soc. 5761-5764 (2012)
• Sroka R, Havel M, Leunig A, Betz C
  Controlled feasibility trial comparing the use of 1470nm and 940nm diode laser for the treatment of hyperplastic inferior nasal turbinates
  Proceedings of the SPIE 8207, 82072Y (2012)
• Sroka R, Hennig G, Zilinberg K, Khoder WY
  Prospective study on laser-assisted laparascopic partial nephrectomy
  Proceedings of the SPIE 8207, 820712 (2012)
• Stepp H, Beyer W, Brucker D, Ehrhardt A, Fischer S, Göbel W, Goetz M, Günther B, Hennig G, Herms J, Irion K-M, Johansson A, Kienast Y, Kniebühler G, Li P, Rühm A, Sandner S
  Fluorescence guidance during stereotactic biopsy
  Proceedings of the SPIE 8207, 82074H (2012)
• Betz CS, Volgger V, Stepp H, Ihrler S, Kraft M, Leunig A, Hopper C
  Evaluation of Oct to Discriminate Lesions of the Upper Aerodigestive Tract
  Lasers Surg Med 44, Suppl. S24, 23-24 (2012); doi: 10.1002/lsm.22023
• Betz CS, Stepp H, Ledderose JG, Kisser U, Leunig A
  Probe-Based Confocal Laser Endomicroscopy in Upper Aerodigestive Tract Lesions: First Results
  Lasers Surg Med 44, Suppl. S24, 24-24 (2012); doi: 10.1002/lsm.22023

Zeitschriften

• Antipov OL, Zakharov NG, Fedorov M, Shakhova NM, Prodanets NN, Snopova LB, Sharkov VV, Sroka R
  Cutting effects induced by 2µm laser radiation of cw Tm: YLF and cw and Q-switched Ho: YAG lasers on ex-vivo tissue
  Medical Laser Application 26(2), 67-75 (2011)
• Bader MJ, Gratzke C, Hecht V, Schlenker B, Seitz M, Reich O, Stief CG, Sroka R
  Impact of collateral damage to endourologic tools during laser lithotripsy - in vitro comparison of three different clinical laser systems
  J Endourol 25(4), 667-672 (2011)
• Gallwas JK, Turk L, Stepp H, Müller S, Ochsenkühn R, Friese K, Dannecker C
  Optical coherence tomography for the diagnosis of cervical intraepithelial neoplasia
  Lasers Surg Med 43(3), 206-212 (2011)
• Hartmannsberger D, Mack B, Eggert C, Denzel S, Stepp H, Betz CS, Gires O
  Transketolase-like protein 1 confers resistance to serum withdrawal in vitro
  Cancer Lett 300(1), 20-29 (2011)
• Havel M, Sroka R, Leunig A, Patel P, Betz CS
  A double-blind, randomized, intra-individual controlled feasibility trial comparing the use of 1,470 and 940 nm diode laser for the treatment of hyperplastic inferior nasal turbinates
  Lasers Surg Med 43(9), 881-886 (2011)
• Hennig G, Stepp H, Johansson A
  Photobleaching-based method to individualize irradiation time during interstitial 5-aminolevulinic acid photodynamic therapy
  Photodiagnosis Photodyn Ther 8(3), 275-281 (2011)
• Jerjes WK, Upile T, Wong BJ, Betz CS, Sterenborg HJ, Witjes MJ, Berg K, van Veen R, Biel MA, El Naggar AK, Mosse CA, Olivo M, Richards-Kortum R, Robinson DJ, Rosen J, Yodh AG, Kendall C, Ilgner JF, Amelink A, Bagnato V, Barr H, Bolotine L, Bigio I, Chen Z, Choo-Smith LP, D'Cruz AK, Gillenwater A, Leunig A, Macrobert AJ, McKenzie G, Sandison A, Soo KC, Stepp H, Stone N, Svanberg K, Tan IB, Wilson BC, Wolfsen H, Hopper C
  The future of medical diagnostics: review paper
  Head Neck Oncol 3, 38.1-38.8 (2011)
• Kammerer R, Buchner A, Palluch P, Pongratz T, Oboukhovskij K, Beyer W, Johansson A, Stepp H, Baumgartner R, Zimmermann W
  Induction of immune mediators in glioma and prostate cancer cells by non-lethal photodynamic therapy
  PLoS One 6(6), e21834.1-e21834.14 (2011)
• Khoder WY, Sroka R
  Concept of a fiber guidance instrument for laser-assisted laparoscopic partial nephrectomy
  Medical Laser Application 26(4), 176-182 (2011)
• Khoder WY, Sroka R, Hennig G, Seitz M, Siegert S, Zillinberg K, Gratzke C, Stief CG, Becker AJ
  The 1,318-nm diode laser supported partial nephrectomy in laparoscopic and open surgery: preliminary results of a prospective feasibility study
  Lasers Med Sci 26(5), 689-697 (2011)
• Khoder WY, Sroka R, Kellhammer N, Haseke N, Stief CG, Becker AJ
  Laser-Assisted Laparoscopic Partial Nephrectomy Without Ischemia: Procedure and Challenges
  J Endourol Part B Videourology 25(4) (2011)
• Upile T, Jerjes WK, Sterenborg HJ, Wong BJ, El Naggar AK, Ilgner JF, Sandison A, Witjes MJ, Biel MA, van Veen R, Hamdoon Z, Gillenwater A, Mosse CA, Robinson DJ, Betz CS, Stepp H, Bolotine L, McKenzie G, Barr H, Chen Z, Berg K, D'Cruz AK, Sudhoff H, Stone N, Kendall C, Fisher S, Macrobert AJ, Leunig A, Olivo M, Richards-Kortum R, Soo KC, Bagnato V, Choo-Smith LP, Svanberg K, Tan IB, Wilson BC, Wolfsen H, Bigio I, Yodh AG, Hopper C
  At the frontiers of surgery: review
  Head Neck Oncol 3, 7.1-7.9 (2011)

Buchartikel

• Sroka R, Seitz M, Bader M
  Advanced endoscopy - laser therapy and laser surgery in urology
  In: Popp J, Tuchin VV, Chiou A, Heinemann S, editors. Handbook of Biophotonics II. (2011)
• Sroka R, Schmedt CG
  Endovenous Laser Treatment
  In: Popp J, Tuchin VV, Chiou A, Heinemann S, editors. Handbook of Biophotonics II. (2011)

• Sroka R, Khoder W
  Lichtwellenleiter-Führungsinstrument für endoskopische und laparaskopische chirurgische Anwendungen
  Patent DPMA 20 2011 103 007.9 (2011)
• Sroka R, Müller J
  Gerät zur Energieapplikation für die thermisch induzierte Stapesprothesenfixation
  Patent DPMA 20 2011 104 210.7 (2011)
• Stepp H, Hennig G, Brittenham G
  Fluorometer for non-invasive detection of iron deficiency
  Patent BayPat B71179 (2011)
• Stepp H, Hennig G, Brittenham G
  Method to distinguish fluorochromes bound in erythrocytes or dissolved in blood from fluorochromes not bound in erythrocytes or dissolved in blood
  Patent BayPat B71180 (2011)
• Stepp H, Schachenmayr H
  Wellenlängenselektive Blende und Fluoreszenzendoskop
  Patent DPMA 10 2010 016 264.7-51, BayPat B69281DE (2011)

Konferenz-Artikel

• Palte G, Johansson A, Hennig G, Beyer W, Stepp H
  Fluorescence and reflectance spectroscopy for protoporphyrin IX quantification in tissue-like media
  Proceedings of the SPIE 7883, 788340 (2011)
• Sroka R, Hennig G, Zillinberg K, Khoder WY
  Diode Laser Supported Partial Nephrectomy in Laparoscopic Surgery: Preliminary Results
  Proceedings of the SPIE 8092, 809210 (2011)
• Sroka R, Lilge LD
  Medical Laser Applications and Laser-Tissue Interactions V - Introduction
  Proceedings of the SPIE 8092, XI (2011)
• Stepp H, Bergmann F, Johansson A, Heide M, Metzger R, Rolle U, Till H
  PD and PDT for hepatoblastoma? Preclinical considerations
  Proceedings of the SPIE 8092, 80920I (2011)

Zeitschriften

• Andersson-Engels S, Stepp H
  Therapeutic laser application and tissue interactions: bringing light into clinical practice
  J Biophotonics 3(5-6), 259-260 (2010)
• Bader MJ, Gratzke C, Walther S, Schlenker B, Tilki D, Hocaoglu Y, Sroka R, Stief CG, Reich O
  The PolyScope: a modular design, semidisposable flexible ureterorenoscope system
  J Endourol 24(7), 1061-1066 (2010)
• Bader MJ, Gratzke C, Walther S, Weidlich P, Stähler M, Seitz M, Sroka R, Reich O, Stief CG, Schlenker B
  Efficacy of retrograde ureteropyeloscopic holmium laser lithotripsy for intrarenal calculi >2 cm
  Urol Res 38(5), 397-402 (2010)
• Bader MJ, Tilki D, Gratzke C, Sroka R, Stief CG, Reich O
  Ho:YAG-laser: treatment of vesicourethral strictures after radical prostatectomy
  World J Urol 28(2), 169-172 (2010)
• Johansson A, Kreth FW, Stummer W, Stepp H
  Interstitial Photodynamic Therapy of Brain Tumors
  IEEE Journal of Selected Topics in Quantum Electronics 16(4), 841-853 (2010)
• Johansson A, Palte G, Schnell O, Tonn JC, Herms J, Stepp H
  5-Aminolevulinic acid-induced protoporphyrin IX levels in tissue of human malignant brain tumors
  Photochem Photobiol 86(6), 1373-1378 (2010)
• Karl A, Stepp H, Willmann E, Buchner A, Hocaoglu Y, Stief C, Tritschler S
  Optical coherence tomography for bladder cancer - ready as a surrogate for optical biopsy
  Results of a prospective mono-centre study. Eur J Med Res 15(3), 131-134 (2010)
• Müller-Lisse UL, Bader M, Bauer M, Engelram E, Hocaoglu Y, Püls M, Meissner OA, Babaryka G, Sroka R, Stief CG, Reiser MF, Müller-Lisse UG
  Optical coherence tomography of the upper urinary tract: Review of initial experience ex vivo and in vivo
  Medical Laser Application 25(1), 44-52 (2010)
• Schmedt CG, Blagova R, Karimi-Poor N, Burgmeier C, Steckmeier S, Beck T, Hecht V, Meier R, Sadeghi-Azandaryani M, Steckmeier B, Sroka R
  Update of endovenous laser therapy and the latest application studies
  Medical Laser Application 25(1), 34-43 (2010)
• Schmedt CG, Sroka R, Sadeghi M, Steckmeier BM, Hupp T
  Neue Entwicklungen der endovenösen Lasertherapie
  Gefäßchirurgie 15(2), 125-132 (2010)
• Sroka R, Weick K, Sadeghi-Azandaryani M, Steckmeier B, Schmedt CG
  Endovenous laser therapy - application studies and latest investigations
  J Biophotonics 3(5-6), 269-276 (2010)
• Stepp H, Sroka R
  Possibilities of lasers within NOTES
  Minim. Invasive Ther. Allied Technol. 19(5), 274-280 (2010)
• Thomsen K, Meier R, Stepp H, Sroka R
  Development of a confocal and two-photon endomicroscope - Preliminary results of qualitative evaluation
  Medical Laser Application 25(3), 166-172 (2010)

Buchartikel

• Schmedt CG, Sroka R, Steckmeier BM
  Endovenöse Laserablation
  In: Noppeney T, Nüllen H, editors. Diagnostik und Therapie der Varikose. 349-358 (2010)

Patente

• Stepp H, Schachenmayr H
  Apparatus And Method For Controlling A Multi-Color Output Of An Image Of A Medical Object
  US 2010/0322492 A1 (2010)

Konferenz-Artikel

• Johansson A, Kreth FW, Ardeshiri A, Stummer W, Schnell O, Herms J, Palte G, Beyer W, Stepp H
  Protoporphyrin IX for photodynamic therapy of brain tumours
  Proceedings of the SPIE 7715, 77151M-77151M-8 (2010)
• Stepp H, Schachenmayr H, Ehrhardt A, Göbel W, Zhorzel S, Betz CS
  Endoscopic ICG perfusion imaging for flap transplants: technical development
  Proceedings of the SPIE 7548, 75482A-75482A-5 (2010)

Zeitschriften

• Adam C, Salomon G, Walther S, Zaak D, Khoder W, Becker A, Reich O, Blana A, Ganzer R, Denzinger S, Popken G, Sroka R, Knüchel-Clarke R, Kollermann J, Sauter G, Hartmann A, Bertz S, Graefen M, Huland H, Wieland W, Stief CG
  Photodynamic Diagnosis Using 5-Aminolevulinic Acid for the Detection of Positive Surgical Margins during Radical Prostatectomy in Patients with Carcinoma of the Prostate: A Multicentre, Prospective, Phase 2 Trial of a Diagnostic Procedure
  European Urology 55(6), 1281-1288 (2009)
• Bader MJ, Sroka R, Gratzke C, Seitz M, Weidlich P, Staehler M, Becker A, Stief CG, Reich O
  Laser Therapy for Upper Urinary Tract Transitional Cell Carcinoma: Indications and Management
  European Urology 56(1), 65-71 (2009)
• Betz CS, Zhorzel S, Schachenmayr H, Stepp H, Havel M, Siedek V, Leunig A, Matthias C, Hopper C, Harréus U
  Endoscopic measurements of free-flap perfusion in the head and neck region using red-excited Indocyanine Green: preliminary results
  J Plast Reconstr Aesthet Surg 62(12), 1602-1608 (2009)
• Gallwas J, Turk L, Stepp H, Friese K, Dannecker C
  Die optische Kohärenztomografie als nicht invasives Untersuchungsverfahren in der Beurteilung zervikalen Gewebes - Erste Ergebnisse
  Geburtshilfe und Frauenheilkunde 69(10), 931-934 (2009)
• Püls M, Weick K, Bader M, Weidlich P, Assmann W, Wexel G, Sroka R
  OCT-assisted control of catheter positioning in the urethra of the rabbit - A feasibility study
  Medical Laser Application 24(3), 175-181 (2009)
• Seitz M, Bayer T, Ruszat R, Tilki D, Bachmann A, Gratzke C, Schlenker B, Stief C, Sroka R, Reich O
  Preliminary evaluation of a novel side-fire diode laser emitting light at 940 nm, for the potential treatment of benign prostatic hyperplasia: ex-vivo and in-vivo investigations
  BJU International 103(6), 770-775 (2009)
• Seitz M, Reich O, Gratzke C, Schlenker B, Karl A, Bader M, Khoder W, Fischer F, Stief C, Sroka R
  High-power diode laser at 980 nm for the treatment of benign prostatic hyperplasia: ex vivo investigations on porcine kidneys and human cadaver prostates
  Lasers in Medical Science 24(2), 172-178 (2009)
• Seitz M, Ruszat R, Bayer T, Tilki D, Bachmann A, Stief C, Sroka R, Reich O
  Ex vivo and in vivo investigations of the novel 1,470 nm diode laser for potential treatment of benign prostatic enlargement
  Lasers in Medical Science 24(3), 419-424 (2009)
• Upile T, Jerjes W, Sterenborg HJ, El Naggar AK, Sandison A, Witjes MJ, Biel MA, Bigio I, Wong BJ, Gillenwater A, Macrobert AJ, Robinson DJ, Betz CS, Stepp H, Bolotine L, McKenzie G, Mosse CA, Barr H, Chen Z, Berg K, D'Cruz AK, Stone N, Kendall C, Fisher S, Leunig A, Olivo M, Richards-Kortum R, Soo KC, Bagnato V, Choo-Smith LP, Svanberg K, Tan IB, Wilson BC, Wolfsen H, Yodh AG, Hopper C
  Head & neck optical diagnostics: vision of the future of surgery
  Head Neck Oncol 1(1), 25/1-25/9 (2009)

Bücher

• Bader M, Baumgartner R, Beyer W, Burger M, Denzinger S, Galamb L, Karl A, Schuhbeck J, Stepp H, Wieland W
  Photodynamische Diagnostik und Therapie beim Harnblasenkarzinom
  Bremen: UNI-MED Verlag AG (2009)

Zeitschriften

• Bader MJ, Hecht V, Hocaoglu Y, Tilki D, Staehler M, Wondrazek F, Reich O, Stief CG, Sroka R
  In-vitro comparison of laser-induced lithotripsy on artificial stones by means of different laser systems
  Medical Laser Application 22(4), 220-226 (2008)
• Beck TJ, Burgmeier C, Blagova R, Steckmeier B, Hecht V, Schmedt CG, Sroka R
  Thermal-induced effects on vein tissue - A basic ex-vivo investigation for EVLT
  Medical Laser Application 22(4), 238-241 (2008)
• Bergmann F, Stepp H, Metzger R, Rolle U, Johansson A, Till H
  In vitro and in vivo evaluation of photodynamic techniques for the experimental treatment of human hepatoblastoma and neuroblastoma: preliminary results
  Pediatric Surgery International 24(12), 1331-1333 (2008)
• Betz CS, Stepp H, Havel M, Jerjes W, Upile T, Hopper C, Sroka R, Leunig A
  A set of optical techniques for improving the diagnosis of early upper aerodigestive tract cancer
  Medical Laser Application 23(4), 175-185 (2008)
• Blagova R, Burgmeier C, Steckmeier S, Steckmeier B, Barbaryka G, Beck TJ, Hecht V, Schmedt CG, Sroka R
  Ex-vivo investigations on endoluminal laser therapy of varicosis - An optimization process
  Medical Laser Application 22(4), 242-247 (2008)
• Dietrich W, Rath M, Stanek G, Apfalter P, Huber JC, Tempfer C, Soergel P, Wang X, Stepp H, Hertel H
  Reviews of Current Literature
  Fertil Steril (2008)
• Hillemanns P, Wang XL, Hertel H, Andikyan V, Hillemanns M, Stepp H, Soergel P
  Pharmacokinetics and selectivity of porphyrin synthesis after topical application of hexaminolevulinate in patients with cervical intraepithelial neoplasia
  American Journal of Obstetrics and Gynecology 198(3), 300.e1-300.e7 (2008)
• Jocham D, Stepp H, Waidelich R
  Photodynamic diagnosis in urology: State-of-the-art
  European Urology 53(6), 1138-1150 (2008)
• Johansson A, Kromer K, Sroka R, Stepp H
  Clinical optical diagnostics - Status and perspectives
  Medical Laser Application 23(4), 155-174 (2008)
• Karl A, Stepp H, Willmann E, Tilki D, Zaak D, Knüchel R, Stief C
  Optical Coherence Tomography (OCT): Ready for the Diagnosis of a Nephrogenic Adenoma of the Urinary Bladder
  Journal of Endourology 22(11), 2429-2432 (2008)
• Seitz M, Reich O, Karl A, Bachmann A, Gratzke C, Steinbrecher V, Stanislaus P, Stief C, Sroka R
  Diode laser treatment of human prostates - Clinical 6-month experience
  Medical Laser Application 22(4), 232-237 (2008)
• Seitz M, Soljanik I, Stanislaus P, Sroka R, Stief C
  Explosive gas formation during transurethral resection of the prostate (TURP)
  European Journal of Medical Research 13(8), 399-400 (2008)
• Seitz, M., Sroka, R.
  Re: Gunnar Wendt-Nordahl, Stephanie Huckele, Patrick Honeck, et al. 980-nm Diode Laser: A Novel Laser Technology for Vaporization of the Prostate.
  Eur Urol 2007;52:1723–8. European Urology 54, 697. DOI: 10.1016/j.eururo.2008.03.005 (2008)
  
• Siedek V, Betz CS, Hecht V, Blagova R, Vogeser M, Zengel P, Berghaus A, Leunig A, Sroka R
  Laser induced fragmentation of salivary stones: An in vitro comparison of two different, clinically approved laser systems
  Lasers in Surgery and Medicine 40(4), 257-264 (2008)
• Soergel P, Wang XL, Stepp H, Hertel H, Hillemanns P
  Photodynamic Therapy of Cervical Intraepithelial Neoplasia With Hexaminolevulinate
  Lasers in Surgery and Medicine 40(9), 611-615 (2008)
• Sroka R, Ackermann A, Tilki D, Reich O, Steinbrecher V, Hofstetter A, Stief CG, Seitz M
  In-vitro comparison of the tissue vaporisation capabilities of different lasers
  Medical Laser Application 22(4), 227-231 (2008)
• Stummer W, Beck T, Beyer W, Mehrkens JH, Obermeier A, Etminan N, Stepp H, Tonn JC, Baumgartner R, Herms J, Kreth FW
  Long-sustaining response in a patient with non-resectable, distant recurrence of glioblastoma multiforme treated by interstitial photodynamic therapy using 5-ALA: case report
  Journal of Neuro-Oncology 87(1), 103-109 (2008)
• Zaak D, Sroka R, Khoder W, Adam C, Tritschler S, Karl A, Reich O, Knüchel R, Baumgartner R, Tilki D, Popken G, Hofstetter A, Stief CG
  Photodynamic diagnosis of prostate cancer using 5-aminolevulinic acid - First clinical experiences
  Urology 72(2), 345-348 (2008)

Konferenz-Artikel

• Betz CS, Havel M, Janda P, Leunig A, Sroka R
  Coagulative and ablative characteristics of a novel diode laser system (1470nm) for endonasal applications
  Proceedings of the SPIE 6842, 68421Z-68421Z-5 (2008)
• Mitterer S, Beck T, Erhardt A, Betz C, Schachenmayr H, Stepp H
  Transmission of LED-light through optical fibers for optical tissue diagnostics
  Proceedings of the SPIE 6852, 68520X-68520X-5 (2008)

Zeitschriften

• Bader M, Hecht V, Hocaoglu Y, Stähler M, Reich O, Stief C, Sroka R
  Technische Aspekte zur intraoperativen Bewertung des Behandlungsfortschritts bei der Laserlithotripsie
  Urologe A 46(9), 1019-1026 (2007)
• Hocaoglu Y, Bader MJ, Hecht V, Becker AJ, Stief CG, Sroka R
  Untersuchung von Kollateralschäden an endourologischen Instrumenten durch Laserlithotripsie - In-vitro-Vergleich von fünf verschiedenen klinischen Lasersystemen
  Journal für Urologie und Urogynäkologie 14 (Sonderheft 2) (Ausgabe für Österreich), 14-15 (2007)
• Bader MJ, Hecht V, Tilki D, Becker AJ, Stief CG, Sroka R
  Laser induced shockwave lithotripsy (LISL): In vitro comparison of 5 different clinical laser systems
  European Urology Supplements 6(2), 43 (2007)
• Bader M, Zaak D, Stief C, Kriegmair M, Ehlers M, Pongratz T, Beyer W, Stepp H
  Photodynamic therapy of bladder cancer - A phase I study using hexyl-aminolevulinate
  European Urology Supplements 6(2), 172 (2007)
• Beck TJ, Burkanas M, Bagdonas S, Krivickiene Z, Beyer W, Sroka R, Baumgartner R, Rotomskis R
  Two-photon photodynamic therapy of C6 cells by means of 5-aminolevulinic acid induced protoporphyrin IX
  J Photochem Photobiol B 87(3), 174-182 (2007)
• Beck TJ, Kreth FW, Beyer W, Mehrkens JH, Obermeier A, Stepp H, Stummer W, Baumgartner R
  Interstitial photodynamic therapy of nonresectable malignant glioma recurrences using 5-aminolevulinic acid induced protoporphyrin IX
  Lasers Surg Med 39(5), 386-393 (2007)
• Hautmann H, Pichler JP, Stepp H, Baumgartner R, Gamarra F, Huber RM
  In-vivo kinetics of inhaled 5-aminolevulinic acid-induced protoporphyrin IX fluorescence in bronchial tissue
  Respir Res 8, 33 (2007)
• Hillemanns P, Reiff J, Stepp H, Soergel P
  Lymph node metastasis detection of ovarian cancer by porphyrin fluorescence photodetection: case report
  Lasers Med Sci 22(3), 131-135 (2007)
• Hungerhuber E, Stepp H, Kriegmair M, Stief C, Hofstetter A, Hartmann A, Knüchel R, Karl A, Tritschler S, Zaak D
  Seven years' experience with 5-aminolevulinic acid in detection of transitional cell carcinoma of the bladder
  Urology 69(2), 260-264 (2007)
• Meissner OA, Schmedt CG, Hunger K, Hetterich H, Sroka R, Rieber J, Babaryka G, Steckmeier BM, Reiser M, Siebert U, Müller-Lisse U
  Endovascular optical coherence tomography ex vivo: venous wall anatomy and tissue alterations after endovenous therapy
  Eur Radiol 17(9), 2384-2393 (2007)
• Schmedt CG, Meissner OA, Hunger K, Babaryka G, Ruppert V, Sadeghi-Azandaryani M, Steckmeier BM, Sroka R
  Evaluation of endovenous radiofrequency ablation and laser therapy with endoluminal optical coherence tomography in an ex vivo model
  J Vasc Surg 45(5), 1047-1058 (2007)
• Schmedt CG, Sroka R
  Reply to letter to the editor re: Investigation on radiofrequency and laser (980 nm) effects after endoluminal treatment of saphenous vein insufficiency in an ex-vivo model
  Eur J Vasc Endovasc Surg 34(2), 250 (2007)
• Seitz M, Ackermann A, Gratzke C, Schlenker B, Ruszat R, Bachmann A, Stief C, Reich O, Sroka R
  Der Diodenlaser: Ex-vivo Untersuchungen zu den Vaporisations- und Koagulationseigenschaften
  Urologe A 46(9), 1242-1247 (2007)
• Seitz M, Sroka R, Gratzke C, Schlenker B, Steinbrecher V, Khoder W, Tilki D, Bachmann A, Stief C, Reich O
  The diode laser: a novel side-firing approach for laser vaporisation of the human prostate - immediate efficacy and 1-year follow-up
  Eur Urol 52(6), 1717-1722 (2007)
• Soergel P, Reiff J, Stepp H, Staboulidou I, Hillemanns P
  Photodetektion infiltrierter Lymphknoten mittels Porphyrin-Fluoreszenz beim Ovarialkarzinom
  Geburtshilfe und Frauenheilkunde 67(8), 913-914 (2007)
• Soergel P, Wang X, Stepp H, Staboulidou I, Hertel H, Hillemanns P
  Photodynamische Therapie cervikaler intraepithelialer Neoplasien mit Hexaminolevulinat (HAL) - Ergebnisse einer Pilotstudie
  Geburtshilfe und Frauenheilkunde 67(8), 914 (2007)
• Sostak P, Theil D, Stepp H, Roeber S, Kretzschmar HA, Straube A
  Detection of bone marrow-derived cells expressing a neural phenotype in the human brain
  J Neuropathol Exp Neurol 66(2), 110-116 (2007)
• Sroka R, Janda P, Killian T, Vaz F, Betz CS, Leunig A
  Comparison of long term results after Ho:YAG and diode laser treatment of hyperplastic inferior nasal turbinates
  Lasers Surg Med 39(4), 324-331 (2007)
• Stepp H
  Photodynamic therapy and fluorescence diagnosis with 5-aminolevulinic acid
  Cytometry Part A 71A(9), 743 (2007)
• Stepp H, Beck T, Beyer W, Pfaller C, Schuppler M, Sroka R, Baumgartner R
  Measurement of fluorophore concentration in turbid media by a single optical fiber
  Medical Laser Application 22(1), 23-34 (2007)
• Stepp H, Beck T, Pongratz T, Meinel T, Kreth FW, Tonn JC, Stummer W
  ALA and malignant glioma: fluorescence-guided resection and photodynamic treatment
  J Environ Pathol Toxicol Oncol 26(2), 157-164 (2007)
• Stepp H, Waidelich R
  Fluoreszenzdiagnostik und Photodynamische Therapie in der Urologie
  Aktuelle Urol 38(6), 455-464 (2007)
• Tritschler S, Tauber S, Meier R, Stepp H, Karl A, Zaak D, Stief CG
  Die Fluoreszenzzytologie
  Urologe A 46(9), 1121-1123 (2007)
• Wang XL, Wang HW, Huang Z, Stepp H, Baumgartner R, Dannecker C, Hillemanns P
  Study of Protoporphyrin IX (PpIX) Pharmacokinetics After Topical Application of 5-Aminolevulinic Acid in Urethral Condylomata Acuminata
  Photochemistry and Photobiology 83(5), 1069-1073 (2007)
• Weidlich P, Adam C, Sroka R, Lanzl I, Assmann W, Stief C
  Low-dose-rate-Brachytherapie durch lokal integrierte Betastrahler nach Urethrotomia interna - Ein Pilotprojekt im Tierversuch
  Urologe A 46(9), 1231-1235 (2007)
• Zaak D, Karl A, Stepp H, Tritschler S, Tilki D, Burger M, Knüchel R, Stief C
  Die Fluoreszenzzystoskopie beim Harnblasenkarzinom
  Urologe A 46(11), 1519-1527 (2007)
• Zelenkov P, Baumgartner R, Bise K, Heide M, Meier R, Stocker S, Sroka R, Goldbrunner R, Stummer W
  Acute morphological sequelae of photodynamic therapy with 5-aminolevulinic acid in the C6 spheroid model
  Journal of Neuro-Oncology 82(1), 49-60 (2007)

Patente

• Draxinger W, Noll M, Stepp H, Irion KM
  Method and apparatus for generating at least one section of a virtual 3D model of a body interior
  US 7794388 (2007)
• Krohne I, Ehrhardt A, Irion KM, Stepp H
  Confocal microendoscope comprising optical fibres with a tapering diameter
  US 2007/0053204 A1 (2007)

Konferenz-Artikel

• Pauli R, Betz C, Havel M, Sroka R, Stepp H, Leunig A, Assmann W
  Multiple fluorophore-analysis (MFA) for qualitative tissue diagnosis in the oral cavity
  Proceedings of SPIE 6628, 66280D (2007)
• Wang XL, Wang HW, Huang Z, Stepp H, Baumgartner R, Dannecker C, Hillemanns P
  Clinical pharmacokinetics of protoporphyrin IX (PpIX) in condylomata acuminata patients: ex vivo fluorescence examination
  Proceedings of SPIE 6438, 64380A (2007)

Zeitschriften

• Adam C, Weidlich P, Horvath R, Sroka R, Stief C
  Utility of an everting sheath to dilate urethral strictures
  European Urology Supplements 5(2), 59 (2006)
• Irion KM, Ehrhardt A, Baumgartner R, Stepp H, Pongratz T
  Multifunctional fluorescence diagnosis system
  (2006)
• Ochsenkühn T, Tillack C, Stepp H, Diebold J, Ott SJ, Baumgartner R, Brand S, Göke B, Sackmann M
  Low frequency of colorectal dysplasia in patients with long-standing inflammatory bowel disease colitis: detection by fluorescence endoscopy
  Endoscopy 38(5), 477-482 (2006)
• Reich O, Noll M, Gratzke C, Bachmann A, Waidelich R, Seitz M, Schlenker B, Baumgartner R, Hofstetter A, Stief CG
  High-level virtual reality simulator for endourologic procedures of lower urinary tract
  Urology 67(6), 1144-1148 (2006)
• Schmedt CG, Sroka R, Steckmeier S, Meissner OA, Babaryka G, Hunger K, Ruppert V, Sadeghi-Azandaryani M, Steckmeier BM
  Investigation on radiofrequency and laser (980 nm) effects after endoluminal treatment of saphenous vein insufficiency in an ex-vivo model
  Eur J Vasc Endovasc Surg 32(3), 318-325 (2006)
• Tauber S, Stepp H, Meier R, Bone A, Hofstetter A, Stief C
  Integral spectrophotometric analysis of 5-aminolaevulinic acid-induced fluorescence cytology of the urinary bladder
  BJU Int 97(5), 992-996 (2006)

Bücher

• Pottier R, Krammer B, Stepp H, Baumgartner R
  Photodynamic Therapy with ALA, A Clinical Handbook
  Cambridge: RSC Publishing (2006)

Buchartikel

• Krammer B, Malik Z, Pottier R, Stepp H
  Basic Principles
  In: Pottier R, Krammer B, Stepp H, Baumgartner R, editors. Photodynamic Therapy with ALA: A Clinical Handbook. Cambridge: Royal Society of Chemistry, 15-77 (2006)

• Stummer W, Baumgartner R
  ALA-PDT and ALA-FD in the brain: New Prospects for Treating Malignant Gliomas
  In: Pottier R, Krammer B, Stepp H, Baumgartner R, editors. Photodynamic Therapy with ALA: A Clinical Handbook. Cambridge: Royal Society of Chemistry, 155-176 (2006)

• Waidelich R, Stepp H
  ALA-PDT and ALA-FD in Urology
  In: Pottier R, Krammer B, Stepp H, Baumgartner R, editors. Photodynamic Therapy with ALA: A Clinical Handbook. Cambridge: Royal Society of Chemistry, 127-154 (2006)

Konferenz-Artikel

• Stepp H, Beck T, Beyer W, Pfaller C, Sroka R, Baumgartner R
  Measurement of fluorophore concentration in scattering media by a single optical fiber
  Proceedings of SPIE 6139, 61390S (2006)

• Stepp H, Beck T, Pongratz T, Meinel T, Tonn JC, Stummer W
  Fluorescence guided resection for malignant glioma using 5-aminolevulinic acid
  Proceedings of SPIE 6078, 60782W (2006)

Zeitschriften

• Goetz CM, Rachinger W, Decker M, Gildehaus FJ, Stocker S, Jung G, Tatsch K, Tonn JC, Reulen HJ
  Distribution of labelled anti-tenascin antibodies and fragments after injection into intact or partly resected C6-gliomas in rats
  Cancer Immunol Immunother 54(4), 337-344 (2005)
• Ito S, Rachinger W, Stepp H, Reulen HJ, Stummer W
  Oedema formation in experimental photo-irradiation therapy of brain tumours using 5-ALA
  Acta Neurochir (Wien ) 147(1), 57-65 (2005)
• Muacevic A, Peller M, Ruprecht L, Berg D, Fend L, Sroka R, Reulen HJ, Reiser M, Tonn JC, Kreth FW
  Image guided interstitial laser thermotherapy: a canine model evaluated by magnetic resonance imaging and quantitative autoradiography
  Acta Neurochir (Wien ) 147(2), 175-185 (2005)
• Zaak D, Karl A, Knüchel R, Stepp H, Hartmann A, Reich O, Bachmann A, Siebels M, Popken G, Stief C
  Diagnosis of urothelial carcinoma of the bladder using fluorescence endoscopy
  BJU Int 96(2), 217-222 (2005)

Patente

• Draxinger W, Noll M, Stepp H, Irion K
  Method and device for creating at least one section of a virtual 3D model of a body cavity
  WO Patent WO/2005/077,272 (2005)

Konferenz-Artikel

• Baumgartner R, Waidelich R, Beyer W, Stepp HG, Knüchel-Clarke R, Hofstetter A
  Integral photodynamic therapy of bladder cancer using 5-ALA and white light
  Proceedings of SPIE 5686, 207-213 (2005)
• Gottschalk W, Hengst J, Sroka R, Unsoeld E
  Influence of the laser-induced temperature rise in photodynamic therapy
  Proceedings of SPIE 1427, 320 (2005)
• Stepp HG, Beck T, Beyer W, Pongratz T, Sroka R, Baumgartner R, Stummer W, Olzowy B, Mehrkens JH, Tonn JC
  Fluorescence-guided resections and photodynamic therapy for malignant gliomas using 5-aminolevulinic acid
  Proceedings of SPIE 5686, 547-557 (2005)

Zeitschriften

• Andikyan V, Kronschnabl M, Hillemanns M, Wang X, Stepp H, Hillemanns P
  Fluoreszenzdiagnostik mit 5-ALA-Thermogel bei zervikaler intraepithelialer Neoplasie
  Gyn Geb Rundsch 44(1), 31-37 (2004)
• Frimberger D, Linke R, Meissner H, Stepp H, Zaak D, Hungerhuber E, Waidelich R, Schmeller N, Hofstetter A, Schneede P
  Fluorescence diagnosis: a novel method to guide radical inguinal lymph node dissection in penile cancer
  World J Urol 22(2), 150-154 (2004)
• Gamarra F, Lingk P, Marmarova A, Edelmann M, Hautmann H, Stepp H, Baumgartner R, Huber RM
  5-Aminolevulinic acid-induced fluorescence in bronchial tumours: dependency on the patterns of tumour invasion
  J Photochem Photobiol B 73(1-2), 35-42 (2004)
• Janda P, Leunig A, Sroka R, Betz CS, Rasp G
  Preliminary report of endolaryngeal and endotracheal laser surgery of juvenile-onset recurrent respiratory papillomatosis by Nd:YAG laser and a new fiber guidance instrument
  Otolaryngol Head Neck Surg 131(1), 44-49 (2004)
• Peller M, Muacevic A, Reinl H, Sroka R, Abdel-Rahman S, Issels R, Reiser MF
  MRT-gestützte Thermometrie in der regionalen Tiefenhyperthermie und interstitiellen Laserthermotherapie
  Der Radiologe 44(4), 310-319 (2004)
• Sroka R
  Data fusion methods based on fuzzy measures in vehicle classification process
  Instrumentation and Measurement Technology Conference, 2004 IMTC 04 Proceedings of the 21st IEEE 3 (2004)
• Zaak D, Sroka R, Stocker S, Bise K, Lein M, Hoppner M, Frimberger D, Schneede P, Reich O, Kriegmair M, Knüchel R, Baumgartner R, Hofstetter A
  Photodynamic therapy of prostate cancer by means of 5-aminolevulinic acid-induced protoporphyrin IX - in vivo experiments on the dunning rat tumor model
  Urol Int 72(3), 196-202 (2004)

Konferenz-Artikel

• Sroka R, Baumgartner R, Buser A, Ell C, Jocham D, Unsoeld E
  Laser-assisted detection of endogenous porphyrins in malignant diseases
  Proceedings of SPIE 1641, 99 (2004)

Zeitschriften

• Ehrhardt A, Stepp H, Irion KM, Stummer W, Zaak D, Baumgartner R, Hofstetter A
  Fluorescence detection of human malignancies using incoherent light systems
  Med Laser Appl 18(1), 27-35 (2003)
• Gildehaus FJ, Rachinger W, Decker M, Stocker S, Goetz S, Poepperl G, Tatsch K, Reulen HJ
  Migration properties of a radiolabeled intact antibody and Fab-fragment after locoregional application in C6 glioma of the rat
  Journal of Nuclear Medicine 44(5), 36P (2003)
• Goetz C, Rachinger W, Poepperl G, Decker M, Gildehaus FJ, Stocker S, Jung G, Tatsch K, Tonn JC, Reulen HJ
  Intralesional radioimmunotherapy in the treatment of malignant glioma: clinical and experimental findings
  Acta Neurochir Suppl 88, 69-75 (2003)
• Janda P, Sroka R, Mundweil B, Betz CS, Baumgartner R, Leunig A
  Comparison of thermal tissue effects induced by contact application of fiber guided laser systems
  Lasers Surg Med 33(2), 93-101 (2003)
• Knüchel R, Hartmann A, Stohr R, Baumgartner R, Zaak D, Krieg RC
  Präkanzerosen des Urothels, Früherkennung und molekulares Verständnis durch endoskopische Fluoreszenzdiagnostik
  Pathologe 24(6), 473-479 (2003)
• Reich OM, Oberneder R, Stepp H, Knüchel R, Schirmer G, Bathelheim K, Wenzel G, Weber W, Hofstetter A
  Liposomal neovascular targeting for the diagnosis of urothelial cell carcinoma
  Journal of Urology 169(4), 227 (2003)
• Reich O, Schneede P, Corvin S, Zaak D, Sroka R, Hofstetter A
  Combination of interstitial laser coagulation and transurethral resection of the prostate: ex vivo evaluations
  Urology 61(6), 1172-1176 (2003)
• Sroka R, Zaak D, Höppner M, Muschter R, Knüchel R, Perlmutter A, Hofstetter A
  In-vivo Investigations of Photodynamic Therapy by Means of 5-ALA Induced PPIX on Canine Prostates
  Med Laser Appl 18(1), 87-90 (2003)
• Stepp H
  Principles of clinical photodynamic therapy
  Acta endoscopica 33(4), 493-509 (2003)
• Stummer W, Reulen HJ, Novotny A, Stepp H, Tonn JC
  Fluorescence-guided resections of malignant gliomas - an overview
  Acta Neurochir 88(Suppl), 9-12 (2003)
• Tauber S, Schorn K, Beyer W, Baumgartner R
  Transmeatal cochlear laser (TCL) treatment of cochlear dysfunction: a feasibility study for chronic tinnitus
  Lasers Med Sci 18(3), 154-161 (2003)
• Waidelich R, Beyer W, Knüchel R, Stepp H, Baumgartner R, Schroder J, Hofstetter A, Kriegmair M
  Whole bladder photodynamic therapy with 5-aminolevulinic acid using a white light source
  Urology 61(2), 332-337 (2003)
• Waidelich R, Stepp H, Beyer W, Baumgartner R, Kriegmair M, Knüchel-Clarke R, Hofstetter A
  Photodynamic Therapy of Transitional Cell Carcinoma Using 5-Aminolevulinic Acid
  Med Laser Appl 18(1), 79-86 (2003)
• Zaak D, Hungerhuber E, Stepp H, Frimberger D, Hofstetter A
  5-Aminolevulinic acid induced fluorescence endoscopy - a new technique to monitor Nd : Yag laser treatment of bladder carcinoma
  Laser Physics 13(1), 91-95 (2003)
• Zaak D, Sroka R, Höppner M, Khoder W, Reich O, Tritschler S, Muschter R, Knüchel R, Hofstetter A
  Photodynamic Therapy by Means of 5-ALA Induced PPIX in Human Prostate Cancer - Preliminary Results
  Med Laser Appl 18(1), 91-95 (2003)

Bücher

• Stepp H, Baumgartner R, Kriegmair M, Hofstetter A
  Fluorescence Diagnosis of Bladder Tumor: Using 5-aminolevulinic Acid: Fundamentals and Results
  Endo (2003)

Patente

• Irion KM, Erhardt A, Stepp H, Pichler JP
  Method of and devices for fluorescence diagnosis of tissue, particularly by endoscopy
  (2003)
• Irion KM, Stepp H, Erhardt A, Tafelmaier H
  Device for photodynamic diagnosis or treatment
  (2003)

Konferenz-Artikel

• Beck TJ, Beyer W, Pongratz T, Stummer W, Waidelich RM, Stepp H, Wagner S, Baumgartner R
  Clinical determination of tissue optical properties in vivo by spatially resolved reflectance measurements
  Proceedings of SPIE 5138, 96-105 (2003)
• Gamarra F, Baumgartner H, Stepp H
  5-Aminolaevulinic acid for fluorescence diagnosis and photodynamic therapy for bronchial cancer: a case report
  Proceedings of SPIE 2371, 398 (2003)
• Sassy T, Breiter N, Sroka R, Ernst H
  Acute and chronic effects of rat colon after photodynamic therapy and radiotherapy: a comparative study
  Proceedings of SPIE 2078, 453 (2003)
• Sroka R, Baumgartner R, Beyer W, Gossner L, Sassy T, Stocker S
  Pharmacokinetics of endogenous porphyrins induced by 5-aminolevulinic acid as observed by means of laser-induced fluorescence from several organs of tumor-bearing mice
  Proceedings of SPIE 2387, 22 (2003)
• Sroka R, Leunig A, Janda P, Rosler P, Grevers G, Baumgartner R
  Treatment of hyperplastic inferior nasal turbinates by means of a Ho: YAG laser
  Proceedings of SPIE 3590, 229 (2003)
• Stepp HG, Baumgartner R, Knüchel R, Kriegmair M, Stepp HG, Zaak D, Hofstetter AG
  Clinical experience with the use of 5-ALA for the detection of superficial bladder cancer
  Proceedings of SPIE 4166, 125 (2003)
• Stepp HG, Hohla AH
  Clinical results with UV-excited autofluorescence spectroscopy in different organs
  Proceedings of SPIE 4432, 221 (2003)

Zeitschriften

• Betz CS, Lai JP, Xiang W, Janda P, Heinrich P, Stepp H, Baumgartner R, Leunig A
  In vitro photodynamic therapy of nasopharyngeal carcinoma using 5-aminolevulinic acid
  Photochem Photobiol Sci 1(5), 315-319 (2002)
• Betz CS, Stepp H, Janda P, Arbogast S, Grevers G, Baumgartner R, Leunig A
  A comparative study of normal inspection, autofluorescence and 5-ALA-induced PPIX fluorescence for oral cancer diagnosis
  Int J Cancer 97(2), 245-252 (2002)
• Beyer W, Waidelich R, Knüchel R, Stepp H, Baumgartner R, Hofstetter A
  Technical concepts for white light photodynamic therapy of bladder cancer
  Med Laser Appl 17(1), 37-40 (2002)
• Bogaards A, Aalders MC, Zeyl CC, de Blok S, Dannecker C, Hillemanns P, Stepp H, Sterenborg HJ
  Localization and staging of cervical intraepithelial neoplasia using double ratio fluorescence imaging
  J Biomed Opt 7(2), 215-220 (2002)
• Frimberger D, Schneede P, Hungerhuber E, Sroka R, Zaak D, Siebels M, Hofstetter A
  Autofluorescence and 5-aminolevulinic acid induced fluorescence diagnosis of penile carcinoma - new techniques to monitor Nd:YAG laser therapy
  Urol Res 30(5), 295-300 (2002)
• Gamarra F, Wagner S, Al Batran S, Maier I, Castro M, Hautmann H, Bergner A, Baumgartner R, Huber RM
  Kinetics of 5-aminolevulinic acid-induced fluorescence in organ cultures of bronchial epithelium and tumor
  Respiration 69(5), 445-450 (2002)
• Janda P, Sroka R, Betz CS, Baumgartner R, Leunig A
  Comparison of laser induced effects on hyperplastic inferior nasal turbinates by means of scanning electron microscopy
  Lasers Surg Med 30(1), 31-39 (2002)
• Janda P, Sroka R, Betz CS, Grevers G, Leunig A
  Die Laserkonchotomie mit Ho: YAG-und Dioden-Laser zur Behandlung von hyperplastischen Nasenmuscheln
  Laryngorhinootologie 81, 484-490 (2002)
• Krohne I, Pfeifer T, Zacher M, Depiereux F, Stepp H
  New concept for the development of a confocal endomicroscope
  Biomed Tech (Berl) 47 Suppl 1 Pt 1, 206-208 (2002)
• Leunig A, Betz CS, Heinrich P, Janda P, Baumgartner R
  Fluoreszenzdiagnostik von Karzinomen im Mund-Rachen-Kehlkopfbereich nach Applikation von 5-Aminolävulinsäure
  Laryngorhinootologie 81(11), 807-814 (2002)
• Olzowy B, Hundt CS, Stocker S, Bise K, Reulen HJ, Stummer W
  Photoirradiation therapy of experimental malignant glioma with 5-aminolevulinic acid
  J Neurosurg 97(4), 970-976 (2002)
• Reich O, Corvin S, Oberneder R, Sroka R, Muschter R, Hofstetter A
  In vitro comparison of transurethral vaporization of the prostate (TUVP), resection of the prostate (TURP), and vaporization-resection of the prostate (TUVRP)
  Urol Res 30(1), 15-20 (2002)
• Weingandt H, Stepp H, Baumgartner R, Diebold J, Xiang W, Hillemanns P
  Autofluorescence spectroscopy for the diagnosis of cervical intraepithelial neoplasia
  BJOG 109(8), 947-951 (2002)
• Zaak D, Hungerhuber E, Schneede P, Stepp H, Frimberger D, Corvin S, Schmeller N, Kriegmair M, Hofstetter A, Knüchel R
  Role of 5-aminolevulinic acid in the detection of urothelial premalignant lesions
  Cancer 95(6), 1234-1238 (2002)
• Zaak D, Sroka R, Stocker S, Höppner M, Knüchel R, Lein M, Hofstetter A
  Tierexperimentelle Untersuchungen zur Photodynamischen Therapie des Prostatakarzinoms mit 5-Aminolävulinsäure-induziertem Protoporphyrin IX
  Urologe A 41(suppl 1), S8 (2002)
• Zaak D, Stepp H, Baumgartner R, Schneede P, Waidelich R, Frimberger D, Hartmann A, Kunchel R, Hofstetter A, Hohla A
  Ultraviolet-excited (308 nm) autofluorescence for bladder cancer detection
  Urology 60(6), 1029-1033 (2002)

Patente

• Rösler P, Sroka R, Leunig A
  Instrument for applying light, especially laser light, to the human or animal body
  US 6454762 (2002)

Zeitschriften

• Frimberger D, Zaak D, Stepp H, Knüchel R, Baumgartner R, Schneede P, Schmeller N, Hofstetter A
  Autofluorescence imaging to optimize 5-ALA-induced fluorescence endoscopy of bladder carcinoma
  Urology 58(3), 372-375 (2001)
• Hillemanns P, Stepp H, Baumgartner R
  Peritoneal endometriosis detection - Reply
  American Journal of Obstetrics and Gynecology 184(5), 1047 (2001)
• Janda P, Sroka R, Baumgartner R, Grevers G, Leunig A
  Laser treatment of hyperplastic inferior nasal turbinates: a review
  Lasers Surg Med 28(5), 404-413 (2001)
• Koenig F, Knittel J, Stepp H
  Diagnosing cancer in vivo
  Science 292(5520), 1401-1403 (2001)
• Leunig A, Mehlmann M, Betz C, Stepp H, Arbogast S, Grevers G, Baumgartner R
  Fluorescence staining of oral cancer using a topical application of 5-aminolevulinic acid: fluorescence microscopic studies
  J Photochem Photobiol B 60(1), 44-49 (2001)
• Muacevic A, Peller M, Sroka R, Kalusche B, Pongratz T, Kreth FW, Steiger HJ, Reiser M, Reulen HJ
  Gehirn schonende interstitielle Laserthermotherapie
  MMW Fortschr Med 143 Suppl 2, 87-88 (2001)
• Ochsenkühn T, Tillack C, Stepp H, Ott SJ, Baumgartner R, Göke B, Sackmann M
  Colonic dysplasias in IBD patients are less frequent than expected
  Journal of Gastroenterology and Hepatology 16(s 1), 23 (2001)
• Ochsenkühn T, Tillack C, Stepp H, Ott SJ, Baumgartner R, Göke B, Sackmann M
  Low frequency of colonic dysplasias in patients with longstanding IBD-colitis
  Gastroenterology 120(5), A445 (2001)
• Seidl J, Rauch J, Krieg RC, Appel S, Baumgartner R, Knüchel R
  Optimization of differential photodynamic effectiveness between normal and tumor urothelial cells using 5-aminolevulinic acid-induced protoporphyrin IX as sensitizer
  Int J Cancer 92(5), 671-677 (2001)
• Tauber S, Baumgartner R, Schorn K, Beyer W
  Lightdosimetric quantitative analysis of the human petrous bone: experimental study for laser irradiation of the cochlea
  Lasers Surg Med 28(1), 18-26 (2001)
• Waidelich R, Stepp H, Baumgartner R, Weninger E, Hofstetter A, Kriegmair M
  Clinical experience with 5-aminolevulinic acid and photodynamic therapy for refractory superficial bladder cancer
  J Urol 165(6 Pt 1), 1904-1907 (2001)
• Xiang W, Weingandt H, Liessmann F, Klein S, Stepp H, Baumgartner R, Hillemanns P
  Photodynamic effects induced by aminolevulinic acid esters on human cervical carcinoma cells in culture
  Photochem Photobiol 74(4), 617-623 (2001)
• Zaak D, Frimberger D, Stepp H, Wagner S, Baumgartner R, Schneede P, Siebels M, Knüchel R, Kriegmair M, Hofstetter A
  Quantification of 5-aminolevulinic acid induced fluorescence improves the specificity of bladder cancer detection
  J Urol 166(5), 1665-1668 (2001)
• Zaak D, Kriegmair M, Stepp H, Stepp H, Baumgartner R, Oberneder R, Schneede P, Corvin S, Frimberger D, Knüchel R, Hofstetter A
  Endoscopic detection of transitional cell carcinoma with 5-aminolevulinic acid: results of 1012 fluorescence endoscopies
  Urology 57(4), 690-694 (2001)

Patente

• Irion K, Baumgartner R, Stepp H, Ehrhardt A, Strobl K
  Apparatus for photodynamic diagnosis
  US 6212425 (2001)

Zeitschriften

• Hillemanns P, Untch M, Dannecker C, Baumgartner R, Stepp H, Diebold J, Weingandt H, Prove F, Korell M
  Photodynamic therapy of vulvar intraepithelial neoplasia using 5-aminolevulinic acid
  Int J Cancer 85(5), 649-653 (2000) DOI: 10.1002/(SICI)1097-0215(20000301)85:5<649::AID-IJC9>3.0.CO;2-E
• Hillemanns P, Weingandt H, Baumgartner R, Diebold J, Xiang W, Stepp H
  Photodetection of cervical intraepithelial neoplasia using 5-aminolevulinic acid-induced porphyrin fluorescence
  Cancer 88(10), 2275-2282 (2000) DOI: 10.1002/(SICI)1097-0142(20000515)88:10%3C2275::AID-CNCR11%3E3.0.CO;2-B
• Hillemanns P, Weingandt H, Baumgartner R, Stepp H
  Fluorescence detection of cervical intraepithelial neoplasia using 5-aminolevulinic acid
  International Journal of Gynecology and Obstetrics 70(1001), 19 (2000)
• Hillemanns P, Weingandt H, Stepp H, Baumgartner R, Xiang W, Korell M
  Assessment of 5-aminolevulinic acid-induced porphyrin fluorescence in patients with peritoneal endometriosis
  Am J Obstet Gynecol 183(1), 52-57 (2000)
• Janda P, Sroka R, Tauber S, Baumgartner R, Grevers G, Leunig A
  Diode laser treatment of hyperplastic inferior nasal turbinates
  Lasers Surg Med 27(2), 129-139 (2000)
• Leunig A, Betz CS, Baumgartner R, Grevers G, Issing WJ
  Initial experience in the treatment of oral leukoplakia with high-dose vitamin A and follow-up 5-aminolevulinic acid induced protoporphyrin IX fluorescence
  Eur Arch Otorhinolaryngol 257(6), 327-331 (2000)
• Leunig A, Betz CS, Mehlmann M, Stepp H, Arbogast S, Grevers G, Baumgartner R
  A pilot series demonstrating fluorescence staining of laryngeal papilloma using 5-aminolevulinic acid
  Laryngoscope 110(10 Pt 1), 1783-1785 (2000)
• Leunig A, Betz CS, Mehlmann M, Stepp H, Arbogast S, Grevers G, Baumgartner R
  Detection of squamous cell carcinoma of the oral cavity by imaging 5-aminolevulinic acid-induced protoporphyrin IX fluorescence
  Laryngoscope 110(1), 78-83 (2000)
• Ott SJ, Ochsenkühn T, Stepp H, Holl J, Brand S, Pauletzki J, Baumgartner R, Sackmann M
  Detection of colonic dysplasia by laser-induced fluorescence endoscopy with and without 5-aminolevulinic acid
  Gastrointestinal Endoscopy 51(4), AB95 (2000)
• Schaffer M, Bonel H, Sroka R, Schaffer PM, Busch M, Reiser M, Duhmke E
  Effects of 780 nm diode laser irradiation on blood microcirculation: preliminary findings on time-dependent T1-weighted contrast-enhanced magnetic resonance imaging (MRI)
  J Photochem Photobiol B 54(1), 55-60 (2000)
• Schaffer M, Bonel H, Sroka R, Schaffer PM, Busch M, Sittek H, Reiser M, Duhmke E
  Magnetic resonance imaging (MRI) controlled outcome of side effects caused by ionizing radiation, treated with 780 nm-diode laser - preliminary results
  J Photochem Photobiol B 59(1-3), 1-8 (2000)
• Sroka R, Rösler P, Janda P, Grevers G, Leunig A
  Endonasal laser surgery with a new laser fiber guidance instrument
  Laryngoscope 110(2 Pt 1), 332-334 (2000)
• Stanzel F, Häussinger K, Geiger D, Pichler J, Sauer W, Stepp H
  Photodynamische Therapie in der Pneumologie
  Pneumologie 54(7), 269-277 (2000)
• Stummer W, Novotny A, Stepp H, Goetz C, Bise K, Reulen HJ
  Fluorescence-guided resection of glioblastoma multiforme by using 5-aminolevulinic acid-induced porphyrins: a prospective study in 52 consecutive patients
  J Neurosurg 93(6), 1003-1013 (2000)

Patente

• Baumgartner R, Sroka R, Stepp H, Hofstetter A, Überle F
  Device and method for representing tissue modifications
  WO Patent WO/2000/009,003 (2000)

Konferenz-Artikel

• Hillemanns, P., Weingandt, H., Baumgartner, R. and Stepp, H.
  Fluorescence detection of cervical intraepithelial neoplasia using 5-aminolevulinic acid
  International Journal of Gynecology & Obstetrics, 70: A19-A19.  (2000)  https://doi.org/10.1016/S0020-7292(00)82003-2

Zeitschriften

• Betz CS, Mehlmann M, Rick K, Stepp H, Grevers G, Baumgartner R, Leunig A
  Autofluorescence imaging and spectroscopy of normal and malignant mucosa in patients with head and neck cancer
  Lasers Surg Med 25(4), 323-334 (1999) DOI: 10.1002/(SICI)1096-9101(1999)25:4%3C323::AID-LSM7%3E3.0.CO;2-P
• Brand S, Stepp H, Ochsenkühn T, Baumgartner R, Baretton G, Holl J, von Ritter C, Paumgartner G, Sackmann M
  Detection of colonic dysplasia by light-induced fluorescence endoscopy: a pilot study
  Int J Colorectal Dis 14(1), 63-68 (1999) DOI: 10.1007/s003840050186
• Gossner L, May A, Sroka R, Ell C
  A new long-range through-the-scope balloon applicator for photodynamic therapy in the esophagus and cardia
  Endoscopy 31(5), 370-376 (1999) Link: https://www.thieme-connect.de/products/ejournals/abstract/10.1055/s-1999-31
• Gossner L, May A, Sroka R, Stolte M, Hahn EG, Ell C
  Photodynamic destruction of high grade dysplasia and early carcinoma of the esophagus after the oral administration of 5-aminolevulinic acid
  Cancer 86(10), 1921-1928 (1999) DOI: 10.1002/(SICI)1097-0142(19991115)86:10%3C1921::AID-CNCR7%3E3.0.CO;2-N
• Gossner L, Sroka R, Stepp H, May A, Stolte M, Ell E
  Photodynamic diagnosis versus random biopsies for dysplasia and invisible mucosal cancer in Barrett's esophagus - A prospective randomized trial
  Gastroenterology 116(4), A175 (1999)
• Häussinger K, Stanzel F, Huber RM, Pichler J, Stepp H
  Autofluorescence detection of bronchial tumors with the D-Light/AF
  Diagn Ther Endosc 5(1), 105-112 (1999) DOI: 10.1155/dte.5.105
• Hillemanns P, Korell M, Schmitt-Sody M, Baumgartner R, Beyer W, Kimmig R, Untch M, Hepp H
  Photodynamic therapy in women with cervical intraepithelial neoplasia using topically applied 5-aminolevulinic acid
  Int J Cancer 81(1), 34-38 (1999) DOI: 10.1002/(SICI)1097-0215(19990331)81:1%3C34::AID-IJC7%3E3.0.CO;2-H
• Hillemanns P, Untch M, Prove F, Baumgartner R, Hillemanns M, Korell M
  Photodynamic therapy of vulvar lichen sclerosus with 5-aminolevulinic acid
  Obstet Gynecol 93(1), 71-74 (1999) DOI:10.1016/S0029-7844(98)00321-4
• Kriegmair M, Zaak D, Knüchel R, Baumgartner R, Hofstetter A
  5-Aminolevulinic acid-induced fluorescence endoscopy for the detection of lower urinary tract tumors
  Urol Int 63(1), 27-31 (1999) DOI: 10.1159/000030415
• Kriegmair M, Zaak D, Knüchel R, Baumgartner R, Hofstetter A
  Photodynamic cystoscopy for detection of bladder tumors
  Semin Laparosc Surg 6(2), 100-103 (1999) DOI: 10.1177/155335069900600209
• Kriegmair M, Zaak D, Stepp H, Stepp H, Baumgartner R, Knüchel R, Hofstetter A
  Transurethral resection and surveillance of bladder cancer supported by 5-aminolevulinic acid-induced fluorescence endoscopy
  Eur Urol 36(5), 386-392 (1999)  DOI:  10.1159/000020019
• Leunig A, Janda P, Sroka R, Baumgartner R, Grevers G
  Ho:YAG laser treatment of hyperplastic inferior nasal turbinates
  Laryngoscope 109(10), 1690-1695 (1999) DOI: 10.1097/00005537-199910000-00026
• Mehlmann M, Betz CS, Stepp H, Arbogast S, Baumgartner R, Grevers G, Leunig A
  Fluorescence staining of laryngeal neoplasms after topical application of 5-aminolevulinic acid: preliminary results
  Lasers Surg Med 25(5), 414-420 (1999) DOI: 10.1002/(SICI)1096-9101(1999)25:5%3C414::AID-LSM8%3E3.0.CO;2-E
• Schneeweiss S, Kriegmair M, Stepp H
  Is everything all right if nothing seems wrong
  A simple method of assessing the diagnostic value of endoscopic procedures when a gold standard is absent.
  J Urol 161(4), 1116-1119 (1999) DOI: 10.1016/S0022-5347(01)61605-7
• Sroka R, Schaffer M, Fuchs C, Pongratz T, Schrader-Reichard U, Busch M, Schaffer PM, Duhmke E, Baumgartner R
  Effects on the mitosis of normal and tumor cells induced by light treatment of different wavelengths
  Lasers Surg Med 25(3), 263-271 (1999) DOI: 10.1002/(SICI)1096-9101(1999)25:3%3C263::AID-LSM11%3E3.0.CO;2-T
• Zaak D, Hofstetter AG, Baumgartner R, Stepp H, Stepp HG, Wagner S, Knüchel R, Schmeller N, Stiegelmayr A, Frimberger D
  Die 5-Aminolävulinsäure-induzierte Fluoreszenzendoskopie des oberflächlichen Harnblasenkarzinoms
  Der Urologe B 39(2), 113-120 (1999) DOI: 10.1007/s001310050282
• Zaak D, Stepp H, Baumgartner R, Kriegmair M, Hofstetter A
  Endoscopic detection of urinary bladder cancer with 5-aminolevulinic acid based fluorescence endoscopy
  J Urol 161, 170 (1999)

Patente

• Irion K, Erhardt A, Stepp H, Pichler J
  Method and device for fluorescence diagnosis of tissues, especially by means of endoscopy
  WO Patent WO/1999/039,626. (1999)
• Sroka R, Rösler P, Leunig A
  Instrument for applying light, in particular laser light, to the human or animal body
  WO Patent WO/1999/037,224. (1999)

Konferenz-Artikel

• Fickweiler S, Krieg R, Stepp HG, Hofstädter F, Knüchel R
  5-aminolevulinic acid (ALA) mediated photodynamic therapy of bladder cancer cell lines
  Proceedings of SPIE 3563, 143 (1999) DOI: https://doi.org/10.1117/12.339130
• Sroka R, Leunig A, Janda P, Rösler P, Grevers G, Baumgartner R
  Investigation on the treatment of hyperplastic inferior nasal turbinate by means of Ho:YAG laser
  Proceedings of SPIE 3590, 229-232 (1999) DOI: https://doi.org/10.1117/12.350967

• Goßner L, Sroka R, Stepp H, May A, Stolte M, Ell C
  Oral versus topical ALA for photodynamic diagnosis of dysplasia and invisible mucosal cancer in Barrett's esophagus - A prospective comparison
  Gastrointestinal Endoscopy 49(4), AB202 (1999)

Zeitschriften

• Baumgartner R, Stepp H
  Photodynamic diagnosis using 5-aminolevulinic acid (5-ALA) for minimally-invasive treatment of cancer
  Minimally Invasive Therapy & Allied Technologies 7(6), 495-501 (1998) DOI: 10.3109/13645709809152894
• Ell C, Gossner L, May A, Schneider HT, Hahn EG, Stolte M, Sroka R
  Photodynamic ablation of early cancers of the stomach by means of mTHPC and laser irradiation: preliminary clinical experience
  Gut 43(3), 345-349 (1998) DOI: 10.1136/gut.43.3.345
• Gossner L, Stolte M, Sroka R, May A, Hahn EG, Ell C
  Photodynamische Therapie von Plattenepithelfrühkarzinomen und schweren plattenepithelialen Dysplasien der Speiseröhre mit 5-Aminolaevulinsäure
  Z Gastroenterol 36(1), 19-26 (1998)

• Gossner L, May A, Schneider HT, Hahn EG, Stolte M, Sroka R, Ell C
  Photodynamische Therapie des Magenfrühkarzinoms mittels mTHPC: Erste klinische Erfahrungen
  Leber Magen Darm 28(5), 209-215 (1998)

• Gossner L, Stolte M, Sroka R, Rick K, May A, Hahn EG, Ell C
  Photodynamic ablation of high-grade dysplasia and early cancer in Barrett's esophagus by means of 5-aminolevulinic acid
  Gastroenterology 114(3), 448-455, 604-606-455 (1998) DOI: 10.1016/S0016-5085(98)70527-X
• Stepp H, Sroka R, Baumgartner R
  Fluorescence endoscopy of gastrointestinal diseases: basic principles, techniques, and clinical experience
  Endoscopy 30(4), 379-386 (1998) DOI: 10.1055/s-2007-1001287
• Stummer W, Stepp H, Möller G, Ehrhardt A, Leonhard M, Reulen HJ
  Technical principles for protoporphyrin-IX-fluorescence guided microsurgical resection of malignant glioma tissue
  Acta Neurochir (Wien ) 140(10), 995-1000 (1998) DOI: 10.1007/s007010050206
• Stummer W, Stocker S, Novotny A, Heimann A, Sauer O, Kempski O, Plesnila N, Wietzorrek J, Reulen HJ
  In vitro and in vivo porphyrin accumulation by C6 glioma cells after exposure to 5-aminolevulinic acid
  J Photochem Photobiol B 45(2-3), 160-169 (1998)
• Stummer W, Stocker S, Wagner S, Stepp H, Fritsch C, Goetz C, Goetz AE, Kiefmann R, Reulen HJ
  

  Intraoperative Detection of Malignant Gliomas by 5-Aminolevulinic Acid-induced Porphyrin Fluorescence.
  Neurosurgery 42(3):p 518-526, 1998. DOI: 10.1097/00006123-199803000-00017

• Waidelich R, Hofstetter A, Stepp H, Baumgartner R, Weninger E, Kriegmair M
  Early clinical experience with 5-aminolevulinic acid for the photodynamic therapy of upper tract urothelial tumors
  J Urol 159(2), 401-404 (1998) DOI: 10.1016/S0022-5347(01)63932-6
• Zaak D, Wagner S, Stepp H, Baumgartner R, Kriegmair M, Hofstetter AG, Knüchel R
  Fluoreszenzquantifizierung bei der 5-Aminolävulinsäure induzierten Fluoreszenzendoskopie des oberflächlichen Harnkarzinoms
  Akt Urol 29, 39 (1998)

Patente

• Baumgartner R, Hofstetter A, Muschter R, Perlmutter A, Sroka R, Falkenstein W
  Verfahren und Vorrichtung zur Laserablation von Gewebe
  EP 0959783 (1998)
• Irion K, Stepp H, Ehrhardt A, Tafelmaier H
  Vorrichtung zur photodynamischen Diagnose
  EP 0930843 (1998)

• Brand S, Ochsenkühn T, Stepp H, Baumgartner R, Weinzierl M, Holl J, von Ritter C, Paumgartner G, Sackmann M
  Detection of low-grade colonic dysplasia by light-induced fluorescence endoscopy
  Gastroenterology 114(4), A569 (1998)  DOI:  https://doi.org/10.1016/S0016-5085(98)82313-5

• Gossner, L., Stepp, H., Sroka, R., May, A., Stolte, M., Ell, C.
  Photodynamic diagnosis (PDD) of high-grade dysplasia and early cancer in Barrett’s esophagus using 5-aminolaevulinic acid (ALA).
  Gastroenterology 114, A136. 1998 DOI: https://doi.org/10.1016/S0016-5085(98)80554-4

• Gossner, L., May, A., Sroka, R., Rabenstein, T., Schneider, T., Hahn, E., Stolte, M.
  Photodynamic therapy of Barrett’s esophagus with high-grade dysplasia and early cancer
  Gastroenterology 114, A137. 1998 DOI: https://doi.org/10.1016/S0016-5085(98)80555-6

Zeitschriften

• Fuchs C, Riesenberg R, Siegert J, Baumgartner R
  H-dependent formation of 5-aminolaevulinic acid-induced protoporphyrin IX in fibrosarcoma cells
  J Photochem Photobiol B 40(1), 49-54 (1997) DOI: 10.1016/S1011-1344(97)00026-2
• Gonschior P, Vogel-Wiens C, Goetz AE, Huehns TY, Breger F, Gerheuser F, Fleuchaus M, Welsch U, Sroka R, Dellian M, Lehr HA, Höfling B
  Endovascular catheter-delivered photodynamic therapy in an experimental response to injury model
  Basic Res Cardiol 92(5), 310-319 (1997) DOI: 10.1007/BF00788943
• Gossner L, Sroka R, May A, Rick K, Hahn EG, Ell C
  Photodynamic ablation of severe dysplasia and mucosal cancer in Barrett's esophagus using 5-ALA
  Gastrointestinal Endoscopy 45(4), 179 (1997) Conference abstract DOI: https://doi.org/10.1016/S0016-5107(97)80180-0
• Heil P, Stocker S, Sroka R, Baumgartner R
  In vivo fluorescence kinetics of porphyrins following intravesical instillation of 5-aminolaevulinic acid in normal and tumour-bearing rat bladders
  J Photochem Photobiol B 38(2-3), 158-163 (1997) DOI: 10.1016/S1011-1344(96)07443-X
• Obwegeser A, Jakober R, Stocker S, Stepp H, Kostron H
  Comparison of meta-tetrahydroxyphenylchlorin, 5-aminulevulinic acid and haematoporphyrin-derivate in the C6 rat glioma model
  Clinical Neurology and Neurosurgery 99(1001), 129 (1997) Conference abstract DOI: https://doi.org/10.1016/S0303-8467(97)81850-1
• Reich OM, Fink HU, Sroka R, Muschter R
  In-vitro Vergleich von transurethraler Vaporisation der Prostata und transurethraler Resektion der Prostata
  Urologe A 37(Suppl 1), 31 (1997)
• Rick K, Sroka R, Stepp H, Kriegmair M, Huber RM, Jacob K, Baumgartner R
  Pharmacokinetics of 5-aminolevulinic acid-induced protoporphyrin IX in skin and blood
  J Photochem Photobiol B 40(3), 313-319 (1997) DOI: 10.1016/S1011-1344(97)00076-6
• Schaffer M, Sroka R, Fuchs C, Schrader-Reichardt U, Schaffer PM, Busch M, Duhmke E
  Biomodulative effects induced by 805 nm laser light irradiation of normal and tumor cells
  J Photochem Photobiol B 40(3), 253-257 (1997) DOI: 10.1016/S1011-1344(97)00065-1
• Stocker S, Knüchel R, Sroka R, Kriegmair M, Steinbach P, Baumgartner R
  Wavelength dependent photodynamic effects on chemically induced rat bladder tumors following intravesical instillation of 5-aminolevulinic acid
  J Urol 157(1), 357-361 (1997) DOI: 10.1016/S0022-5347(01)65377-1

Konferenz-Artikel

• Stepp H, Baumgartner R, Betz C, Bise K, Brand P, Gamarra F, Häussinger K, Hillemanns P, Huber R, Knüchel R
  New developments in fluorescence detection of ALA-induced protoporphyrin IX for cancer localization
  Proceedings of SPIE 3197, 68-74 (1997)
• Sroka R, Perlmutter AP, Pongratz T, Muschter R
  In-vivo investigations on interstitial Ho: YAG laser therapy
  Proceedings of SPIE 2970, 420-425 (1997)

• Stummer, W., Goetz, C., Stepp, H., Stocker, S., Reulen, H.J.,
  O-11-172 - Intraoperative detection of malignant glioma by 5-ALA induced protoporphyrin IX fluorescence.
  Clinical Neurology and Neurosurgery 99, S93. 1997 DOI: https://doi.org/10.1016/S0303-8467(97)81684-8

Zeitschriften

• Baumgartner R, Huber RM, Schulz H, Stepp H, Rick K, Gamarra F, Leberig A, Roth C
  Inhalation of 5-aminolevulinic acid: a new technique for fluorescence detection of early stage lung cancer
  J Photochem Photobiol B 36(2), 169-174 (1996) DOI: https://doi.org/10.1016/S1011-1344(96)07365-4
• Beyer W
  Systems for light application and dosimetry in photodynamic therapy
  J Photochem Photobiol B 36(2), 153-156 (1996) DOI: https://doi.org/10.1016/S1011-1344(96)07363-0
• Gonschior P, Gerheuser F, Fleuchaus M, Huehns TY, Goetz AE, Welsch U, Sroka R, Dellian M, Lehr HA, Höfling B
  Local photodynamic therapy reduces tissue hyperplasia in an experimental restenosis model
  Photochem Photobiol 64(5), 758-763 (1996) DOI: https://doi.org/10.1111/j.1751-1097.1996.tb01831.x
• Gossner L, Borrmann J, Sroka R, Hahn EG, Ell C
  5-Aminolaevulinic acid for photodynamic therapy of human adenocarcinomas of the esophagus and colon - A comparison
  Gastroenterology 110(4), A521 (1996)
• Gossner L, Sroka R, Borrmann J, Hahn EG, Ell C
  Enhancement of photodynamic therapy using 5-aminolaevulinic acid by irradiation at different wavelengths
  Gastroenterology 110(4), A521 (1996)
• Gossner L, Sroka R, Stolte M, Seitz G, Hahn EG, Ell C
  Barrett's esophagus with severe dysplasia and/or superficial cancer: Initial results of photodynamic therapy using 5-aminolaevulinic acid
  Gastroenterology 110(4), A521 (1996)
• Gossner L, Sroka R, Stolte M, Seitz G, Hahn EG, Ell C
  Photodynamic therapy of superficial squamous cell cancer and severe dysplasia of the esophagus: Preliminary results using 5-aminolaevolinic acids
  Gastrointestinal Endoscopy 43(4), 182 (1996)
• Huber R, Gamarra F, Lebrig A, Stepp H, Rick K, Häussinger K
  Value of photodynamic diagnosis in bronchology: Early detection of lung cancer possible
  Lung Cancer 14(2), 391 (1996)
• Kriegmair M, Baumgartner R, Knüchel R, Stepp H, Hofstädter F, Hofstetter A
  Detection of early bladder cancer by 5-aminolevulinic acid induced porphyrin fluorescence
  J Urol 155(1), 105-110 (1996) DOI: https://doi.org/10.1016/S0022-5347(01)66559-5
• Kriegmair M, Baumgartner R, Lumper W, Waidelich R, Hofstetter A
  Early clinical experience with 5-aminolevulinic acid for the photodynamic therapy of superficial bladder cancer
  Br J Urol 77(5), 667-671 (1996) DOI: https://doi.org/10.1046/j.1464-410x.1996.09717.x
• Leunig A, Rick K, Stepp H, Goetz A, Baumgartner R, Feyh J
  Photodynamische Diagnostik von Neoplasien der Mundhöhle nach lokaler Applikation von 5-Aminolävulinsäure
  Laryngo-Rhino-Otologie 75(8), 459-464 (1996) DOI: 10.1055/s-2007-997615
• Leunig A, Rick K, Stepp H, Gutmann R, Alwin G, Baumgartner R, Feyh J
  Fluorescence imaging and spectroscopy of 5-aminolevulinic acid induced protoporphyrin IX for the detection of neoplastic lesions in the oral cavity
  Am J Surg 172(6), 674-677 (1996) DOI: 10.1016/S0002-9610(96)00312-1
• Leunig A, Rick K, Stepp H, Gutmann R, Goetz A, Baumgartner R, Feyh J, Muszalska E, Bilewicz R
  Renewable electrode surfaces for monitoring CO2 based on adsorptive accumulation of catalyst
  Analytica Chimica Acta 334(3), 309-315 (1996) DOI: 10.1016/0003-2670(96)00312-1
• Sroka R, Beyer W, Gossner L, Sassy T, Stocker S, Baumgartner R
  Pharmacokinetics of 5-aminolevulinic-acid-induced porphyrins in tumour-bearing mice
  J Photochem Photobiol B 34(1), 13-19 (1996) DOI: 10.1016/1011-1344(95)07265-9

Konferenz-Artikel

• Leunig A, Rick K, Stepp HG, Gutmann R, Goetz AE, Baumgartner R, Feyh J
  Fluorescence photodetection of head and neck cancer following topical or systemic application of 5-aminolevulinic acid
  Proceedings of SPIE 2922, 316 (1996) DOI: 10.1117/12.260713
• Schramm W, Hoehne W, Stepp HG, Leunig A
  Noninvasive NADH measurements for clinical applications
  Proceedings of SPIE 2927, 106 (1996) DOI:  10.1117/12.260634
• Sroka R, Muschter R, Knüchel R, Steinbach P, Perlmutter AP, Martin T, Baumgartner R
  5-ALA assisted photodynamic therapy in canine prostates
  Proceedings of SPIE 2671, 324-327 (1996) DOI: 10.1117/12.240025
• Sroka R, Perlmutter AP, Martin T, Muschter R
  LITT on canine prostates: An in-vivo study to compare the effects of different wavelengths
  Proceedings of SPIE 2671, 335-338 (1996) DOI: 10.1117/12.240027

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