Dr. Daniel Kolditz, Dipl.-Ing. (FH)

phone +49-(0)9131-85-25542
daniel.kolditz@imp.uni-erlangen.de

 

Work areas :

•  Dedicated CT of the Female Breast (Breast CT)

•  C-Arm Flat-Detector CT (FDCT)

•  CT Physics, Simulations and Reconstruction Algorithms

•  CT Image Quality and Dose

•  Volume-of-Interest (VOI) Imaging

•  Shifted-Detector and Large-Volume Imaging

 
Publications

 

  • D. Kolditz, T. Struffert, Y. Kyriakou, A. Bozzato, A. Dörfler, and W. A. Kalender. Volume-of-interest (VOI) imaging of the inner ear in a human temporal bone specimen using a robot-driven C-arm flat-detector CT system. AJNR Am. J. Neuroradiol., 2012, in press. DOI: http://dx.doi.org/10.3174/ajnr.A2577

  • W. A. Kalender, M. Beister, J. M. Boone, D. Kolditz , S. V. Vollmar and M. Weigel. High-resolution spiral CT of the breast at very low dose: Concept and feasibility considerations. Eur. Radiol. 22:1-8, 2012.
    DOI: http://dx.doi.org/10.1007/s00330-011-2169-4

  • I. Yohannes, D. Kolditz and W. A. Kalender. Semiempirical analysis of materials' elemental composition to formulate tissue-equivalent materials: a preliminary study. Phys. Med. Biol. 56:2963-2977, 2011.
    DOI: http://dx.doi.org/10.1088/0031-9155/56/10/005

  • D. Kolditz, M. Meyer, Y. Kyriakou, and W. A. Kalender. Comparison of extended field-of-view reconstructions in C-arm flat-detector CT using patient size, shape, or attenuation information. Phys. Med. Biol. , 56(1):39-56, 2011
    DOI: http://dx.doi.org/10.1088/0031-9155/56/1/003

  • D. Kolditz. Verfahren zur Korrektur von Messfeldüberschreitungen in der Flachdetektor-Computertomographie, PhD Thesis, Institute of Medical Physics, Friedrich -Alexander-University Erlangen-Nürnberg, 2010
    URL: http://www.opus.ub.uni-erlangen.de/opus/volltexte/2011/2494/

  • Y. Kyriakou, D. Kolditz, O. Langner, J. Krause, and W. A. Kalender. Digitale Volumentomografie (DVT) und Mehrschicht-Spiral-CT (MSCT): eine objektive Untersuchung von Dosis und Bildqualität. Digital volume tomography (DVT) and multislice spiral CT (MSCT): an objective examination of dose and image quality. Fortschr. Röntgenstr. 183:144-153, 2011.
    DOI: http://dx.doi.org/10.1055/s-0029-1245709

  • D. Kolditz, Y. Kyriakou, and W. A. Kalender. Volume of interest (VOI) imaging in C-arm flat-detector CT for high image quality at reduced dose. Med. Phys. , 37(6):2719-2730, 2010. DOI: http://dx.doi.org/10.1118/1.3427641

  • D. Kolditz, Y. Kyriakou, and W. A. Kalender. Low dose, low noise and high resolution volume of interest (VOI) imaging in C-arm flat-detector CT. Proc. SPIE , 7622:762226, 2010. DOI: http://dx.doi.org/10.1117/12.844129

  • D. Kolditz. Konzeptstudie über ein externes Positionsverifikationssystem in der Partikeltherapie. Diploma Thesis, Georg Simon Ohm University of Applied Sciences Nürnberg, 2008 .

 
Conference contributions

 

  • D. Kolditz , M. Beister and W. A Kalender. Volume-of-interest imaging for high image quality at reduced dose in dedicated female breast CT. Annual Meeting of Radiological Society of North America (RSNA) 2011 , 27 November - 2 December 2011, Chicago, USA .

  • M. Beister, R. Hendrych, D. Kolditz and W. A. Kalender. Dose efficient model-based iterative reconstruction for a dedicated female breast CT scanner. Annual Meeting of Radiological Society of North America (RSNA) 2011, 27 November - 2 December 2011, Chicago, USA .

  • W. Chen, D. Kolditz , M. Hupfer, Y. Smal and W. A. Kalender. Implementation and validation of a real time Monte Carlo software tool for patient-specific dose calculations. Annual Meeting of Radiological Society of North America (RSNA) 2011, 27 November - 2 December 2011, Chicago, USA .

  • M. Hupfer, T. Nowak, D. Kolditz , F. Eisa, R. Brauweiler and W. A. Kalender. Dosimetry in micro-CT. Annual Meeting of Radiological Society of North America (RSNA) 2011 , 27 November - 2 December 2011, Chicago, USA .

  • F. Lück, M. Weigel, D. Kolditz , S. V. Vollmar, M. Hupfer and W. A. Kalender.Effect of shaped filters designed for breast CT on dose and image quality. Annual Meeting of Radiological Society of North America (RSNA) 2011 , 27 November - 2 December 2011, Chicago, USA .

  • Y. Smal, W. Chen, D. Kolditz , B. Schmidt and W. A. Kalender. Fast and on-line estimation of CT dose for pediatric patients. Annual Meeting of Radiological Society of North America (RSNA) 2011 , 27 November - 2 December 2011, Chicago, USA .

  • Y. Smal, W. Chen, D. Kolditz , C. S. Reis and W. A. Kalender. Conversion of the dose-length product into effective dose taking recent ICRP recommendations into account. Annual Meeting of Radiological Society of North America (RSNA) 2011 , 27 November - 2 December 2011, Chicago, USA .

  • I. Yohannes, D. Kolditz , O. Langner and W. A. Kalender. Semiempirical method to formulate tissue-equivalent materials for calibration and quality assurance in CT and radiotherapy. Annual Meeting of Radiological Society of North America (RSNA) 2011 , 27 November - 2 December 2011, Chicago, USA .

  • D. Kolditz . Wieder Neues vom CT. 32. Jahrestagung der Bayerischen Gesellschaft für Nuklearmedizin (BGN) 2011 , 1 - 2 July 2011, Erlangen, Germany

  • D. Kolditz, Y. Kyriakou, and W. A. Kalender. Extended field-of-view reconstruction in C-arm flat-detector CT by using patient size and shape information from an optical camera system. Annual Meeting of Radiological Society of North America (RSNA) 2010 , 28 November - 3 December 2010, Chicago, USA.

  • R. Lapp, D. Kolditz, and W. A. Kalender. OrthoMIT Teilprojekt 8: Bildqualitätsoptimierung, Dosisreduktion und neue Anwendungen für die intraoperative CT-Bildgebung. 44. Jahrestagung der Deutschen Gesellschaft für Biomedizinische Technik (DGBMT) 2010 , 6 - 8 October 2010, Rostock, Germany .

  • M. Wucherer, L. Wucherer, R. Simmler, T. Hertlein, I. Yohannes, D. Kolditz, and W. A. Kalender. Phantommaterial für Qualitätssicherung des Gesamtsystems in der Strahlentherapie. 41. Jahrestagung der Deutschen Gesellschaft für Medizinische Physik (DGMP) 2010 , 29 September - 2 October 2010, Freiburg, Germany.

  • D. Kolditz, Y. Kyriakou, and W. A. Kalender, “Low dose, low noise and high resolution volume of interest (VOI) imaging in C-arm flat-detector CT,” Proc. SPIE – SPIE Medical Imaging Conference 2010, 13 - 18 February 2010, San Diego, USA, 7622:762226, 2010. DOI: http://dx.doi.org/10.1117/12.844129

  • D. Kolditz, Y. Kyriakou, and W. A. Kalender “Truncation correction based on patient size estimation for extended field of view (EFOV) reconstructions in C-arm flat-detector CT,” Annual Meeting of Radiological Society of North America (RSNA) 2009, 27 November - 04 December 2009, Chicago, USA, 2009.

  • D. Kolditz, M. Meyer, Y. Kyriakou, E. Rietzel, and W. A. Kalender “Impact of truncation correction in flat-detector computed tomography on carbon ion radiotherapy treatment planning,” IFMBE Proceedings – World Congress 2009 on Medical Physics and Biomedical Engineering, 7 - 12 September 2009, Munich, Germany, pages 385-388, 2009.
    DOI: http://dx.doi.org/10.1007/978-3-642-03474-9_108