Hybrid Rendering of Brain Anatomy and Function

Combined visualization of anatomical brain, nerve tracts, and primary diffusion orientation.

3D Rendering of Needle Placement

A radiofrequency applicator is placed in a liver tumor. The expected zone of destruction caused by heat is estimated by a fast approximation method.

Christian Rieder, PhD

  • Senior Product Manager
  • Software methods for needle based interventions
  • 3D real-time volume rendering of medical data
  • Thermal ablation procedures

All Publications of Christian Rieder


Vo Chieu VD, Wacker F, Rieder C, Pöhler GH, Schumann C, Ballhausen H, Ringe KI (2020) Ablation zone geometry after CT-guided hepatic microwave ablation: evaluation of a semi-automatic software and comparison of two different ablation systems. Int J Hyperth 37(1):533–541


Alpers J, Hensen B, Wacker F, Rieder C, Hansen C (2019) MRI-Guided Liver Tumor Ablation – A Workflow Design Prototype. Deutsche Gesellschaft für Computer- und Roboterassistierte Chirurgie CURAC. pp 165–170


Poch FGM, Neizert CA, Gemeinhardt O, Geyer B, Eminger K, Rieder C, Niehues SM, Vahldiek J, Thieme SF, Lehmann KS (2018) Intermittent Pringle maneuver may be beneficial for radiofrequency ablations in situations with tumor-vessel proximity. Innovative Surgical Sciences 3(4):245–251
von Dresky C, Ballhausen H, Becker M, Serowy S, Skalej M, Rieder C (2018) Towards the optimization of generator modulation and applicator positions for radiofrequency ablation of spine metastases. Proceedings of CURAC. pp 208–213


Bruckner S, Hennemuth A, Kainz B, Hotz I, Merhof D, Rieder C (2017) VCBM 17: Eurographics Workshop on Visual Computing for Biology and Medicine. The Eurographics Association
Georgii J, Paetz T, Rieder C, Preusser T (2017) Planning and Simulation of Cryoablation in the prostate. Proceedings of CIRSE Annual Meeting
Herrlich M, Tavakol P, Black D, Wenig D, Rieder C, Malaka R, Kikinis R (2017) Instrument-mounted displays for reducing cognitive load during surgical navigation. Int J CARS 12(9):1599–1605
Poch FGM, Rieder C, Ballhausen H, Knappe V, Ritz JP, Gemeinhardt O, Kreis ME, Lehmann KS (2017) Finding Optimal Ablation Parameters for Multipolar Radiofrequency Ablation. Surg Innov 24(3):205–213
Sommer CM, Pallwein-Prettner L, Vollherbst DF, Seidel R, Rieder C, Radeleff BA, Kauczor HU, Wacker F, Richter GM, Bücker A, Rodt T, Massmann A, Pereira PL (2017) Transarterial embolization (TAE) as add-on to percutaneous radiofrequency ablation (RFA) for the treatment of renal tumors: Review of the literature, overview of state-of-the-art embolization materials and further perspective of advanced image-guided tumor ablation. Eur J Radiol 86:143–162


Kohlmann P, Boskamp T, Köhn A, Rieder C, Schenk A, Link F, Siems U, Barann M, Kuhnigk J-M, Demedts D, Hahn HK (2016) Remote Visualization Techniques for Medical Imaging Research and Image-Guided Procedures. Visualization in Medicine and Life Sciences III. Springer, pp 133–154
Lehmann KS, Poch FGM, Rieder C, Schenk A, Stroux A, Frericks BB, Gemeinhardt O, Holmer C, Kreis ME, Ritz JP, Zurbuchen U (2016) Minimal vascular flows cause strong heat sink effects in hepatic radiofrequency ablation ex vivo. J Hepatobiliary Pancreat Sci 23(8):508–516
Poch FGM, Rieder C, Ballhausen H, Knappe V, Ritz JP, Gemeinhart O, Kreis ME, Lehmann KS (2016) The vascular cooling effect in hepatic multipolar radiofrequency ablation leads to incomplete ablation ex vivo. Int J Hyperthermia 32(7):749–756
Weiler F, Chlebus G, Brachmann C, Traulsen N, Waring A, Rieder C, Lassen-Schmidt B, Krass S, Hahn H (2016) A Modular Analysis Tool for Imaging-Based Clinical Research in Radiation Therapy. International Journal of Radiation Oncology*Biology*Physics. pp E418–E419


Rieder C, Ballhausen H, Poch F, Gemeinhard O, Lehmann K, Preusser T (2015) Ex Vivo Validation of a Numerical Simulation for Multipolar Radiofrequency Ablation. Proc. of CURAC 2015. pp 55–60
Ringe KI, Lutat C, Rieder C, Schenk A, Wacker F, Raatschen H-J (2015) Experimental Evaluation of the Heat Sink Effect in Hepatic Microwave Ablation. PLoS One 10(7):e0134301
Schumann C, Rieder C, Haase S, Teichert K, Süss P, Isfort P, Bruners P, Preusser T (2015) Interactive multi-criteria planning for radiofrequency ablation. Int J CARS 10(6):879–889
Weiler F, Chlebus G, Rieder C, Moltz J, Waring A, Brachmann C, Traulsen N, Corr D, Wirtz S, Krass S, Hahn HK (2015) Building Blocks for Clinical Research in Adaptive Radiotherapy. Proc. of CURAC 2015. pp 139–144


Rieder C, Geisler B, Bruners P, Isfort P, Na H-S, Mahnken AH, Hahn HK (2014) Software-Assisted Post-Interventional Assessment of Radiofrequency Ablation. Proceedings of SPIE Medical Imaging: Image-Guided Procedures, Robotic Interventions, and Modeling. 903604:1–8


Black D, Al Issawi J, Rieder C, Hahn HK (2013) Enhancing Medical Needle Placement with Auditory Display. Mensch & Computer 2013: Interaktive Vielfalt. Oldenbourg Verlag, pp 289–292
Black D, Al Issawi J, Hansen C, Rieder C, Hahn HK (2013) Auditory Support for Navigated Radiofrequency Ablation. Proceedings of CURAC. Innsbruck, Austria, pp 30–33
Rieder C (2013) Interactive Visualization for Assistance of Needle-Based Interventions. Ph.D. thesis. 1–200
Rieder C, Brachmann C, Hofmann B, Klein J, Köhn A, Ojdanic D, Schumann C, Weiler F, Hahn HK (2013) Interactive Visualization of Neuroanatomical Data for a Hands-On Multimedia Exhibit. EuroVis Workshop on Visualization in Medicine and Life Sciences (VMLS). pp 37–41
Schumann C, Rieder C, Haase S, Preusser T (2013) Interactive Access Path Exploration for Planning of Needle-Based Interventions. Deutsche Gesellschaft für Computer- und Roboterassistierte Chirurgie. pp 103–106


Rieder C, Poch F, Tiesler H, Lehmann K, Preusser T (2012) Software Tool for the Analysis of the Coagulation Zone from Multipolar Radiofrequency Ablation. Proceedings of CURAC. pp 193–196
Rieder C, Wirtz S, Zidowitz S, Bruners P, Isfort P, Mahnken AH, Strehlow J, Peitgen H-O (2012) Automatic Alignment of Pre- and Post-Interventional CT Images for Assessment of Radiofrequency Ablation Therapy. Proceedings of SPIE Medical Imaging. 83163E:pp 1–8
Weiler F, Rieder C, David CA, Wald C, Hahn HK (2012) On the Value of Multi-Volume Visualization for Preoperative Planning of Cerebral AVM Surgery. Eurographics Workshop on Visual Computing for Biomedicine. pp 49–56


Rieder C, Kröger T, Schumann C, Hahn HK (2011) GPU-Based Real-Time Approximation of the Ablation Zone for Radiofrequency Ablation. IEEE Trans Vis Comput Graph 17(12):1812–1821
Rieder C, Palmer S, Link F, Hahn HK (2011) A Shader Framework for Rapid Prototyping of GPU-Based Volume Rendering. Comput Graph Forum 3(30):1031–1040


Hansen C, Wieferich J, Ritter F, Rieder C, Peitgen HO (2010) Illustrative visualization of 3D planning models for augmented reality in liver surgery. Int J CARS 5(2):133–141
Rieder C, Altrogge I, Kröger T, Zidowitz S, Preusser T (2010) Interactive Approximation of the Ablation Zone incorporating Heatsink Effects for Radiofrequency Ablation. Proceedings of CURAC. pp 9–12
Rieder C, Weihusen A, Schumann C, Zidowitz S, Peitgen H-O (2010) Visual Support for Interactive Post-Interventional Assessment of Radiofrequency Ablation Therapy. Comput Graph Forum 29(3):1093–1102
Schumann C, Rieder C, Bieberstein J, Weihusen A, Zidowitz S, Moltz JH, Preusser T (2010) State of the Art in Computer-Assisted Planning, Intervention and Assessment of Liver Tumor Ablation. Crit Rev Biomed Eng 38(1):31–52
Zidowitz S, Altrogge I, Hansen C, Hindennach M, Kröger T, Ojdanic D, Rieder C, Preusser T, Schenk A, Weihusen A, Wirtz S, Prause G, Peitgen H-O (2010) Computer-Assisted Risk Prevention in Surgical and Interventional Treatment of Liver Tumor. Zeitschrift für Biomedizinische Technik. BMT, pp 74–77


Lehmann KS, Ritz JP, Valdeig S, Knappe V, Schenk A, Weihusen A, Rieder C, Holmer C, Zurbuchen U, Hoffmann P, Peitgen HO, Buhr HJ, Frericks BB (2009) Ex situ quantification of the cooling effect of liver vessels on radiofrequency ablation. Langenbecks Arch Surg 394(3):475–481
Rieder C, Schwier M, Weihusen A, Zidowitz S, Peitgen H-O (2009) Visualization of Risk Structures for Interactive Planning of Image Guided Radiofrequency Ablation of Liver Tumors. Proceedings of SPIE Medical Imaging. 726134:pp 1–9


Rieder C, Görge HH, Ritter F, Hahn HK, Peitgen H-O (2008) Efficient Visualization of Risk Structures along Virtual Access Paths for Neurosurgical Planning. 59th Annual Meeting of the German Society of Neurosurgery (DGNC)
Rieder C, Ritter F, Raspe M, Peitgen H-O (2008) Interactive Visualization of Multimodal Volume Data for Neurosurgical Tumor Treatment. Comput Graph Forum 27(3):1055–1062
Rieder C, Schwier M, Hahn HK, Peitgen H-O (2008) High-Quality Multimodal Volume Visualization of Intracerebral Pathological Tissue. In: Botha C, Kindlmann G, Niessen W, Preim B (eds) Eurographics Workshop on Visual Computing for Biomedicine. Eurographics Association, pp 167–176
Schenk A, Weihusen A, Rieder C, Frericks B, Valdeig S, Lehmann K, Peitgen H-O (2008) Evaluation of radiofrequency ablation lesions: a new software tool for the quantification of heat sink effects. International Journal of Computer Assisted Radiology and Surgery. Springer, pp S448–S449
Weiler F, Köhn A, Klein J, Rieder C, Hahn HK, Peitgen H-O (2008) Kontextbezogene Visualisierung neurochirurgischer Planungsdaten. Deutscher Röntgenkongress. 261
Zidowitz S, Bourquain H, Hansen C, Rieder C, Weihusen A, Prause G, Peitgen H-O (2008) Software Assistance for Planning of RF-Ablation and Oncological Resection in Liver Surgery. In: Sloten JV, et al. (eds) Proceedings of 4th European Conference of the International Federation for Medical and Biological Engineering. Springer-Verlag, Berlin Heidelberg, pp 114–117