Eike Rietzel

Summary

Affiliation: Massachusetts General Hospital
Country: USA

Publications

  1. ncbi request reprint Design of 4D treatment planning target volumes
    Eike Rietzel
    Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Int J Radiat Oncol Biol Phys 66:287-95. 2006
  2. ncbi request reprint Deformable registration of 4D computed tomography data
    Eike Rietzel
    Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    Med Phys 33:4423-30. 2006
  3. ncbi request reprint Respiratory motion management in particle therapy
    Eike Rietzel
    Abteilung Biophysik, GSI Helmholtzzentrum fur Schwerionenforschung, Planckstrasse 1, 64291 Darmstadt, Germany
    Med Phys 37:449-60. 2010
  4. doi request reprint Maximum-intensity volumes for fast contouring of lung tumors including respiratory motion in 4DCT planning
    Eike Rietzel
    Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Int J Radiat Oncol Biol Phys 71:1245-52. 2008
  5. ncbi request reprint Four-dimensional image-based treatment planning: Target volume segmentation and dose calculation in the presence of respiratory motion
    Eike Rietzel
    Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Int J Radiat Oncol Biol Phys 61:1535-50. 2005
  6. pmc Range accuracy in carbon ion treatment planning based on CT-calibration with real tissue samples
    Eike Rietzel
    Abteilung Biophysik, Gesellschaft fur Schwerionenforschung, Planckstr 1, 64291 Darmstadt, Germany
    Radiat Oncol 2:14. 2007
  7. ncbi request reprint Improving retrospective sorting of 4D computed tomography data
    Eike Rietzel
    Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    Med Phys 33:377-9. 2006
  8. ncbi request reprint Simulations to design an online motion compensation system for scanned particle beams
    Sven Oliver Grözinger
    Gesellschaft fur Schwerionenforschung GSI, 64291 Darmstadt, Germany
    Phys Med Biol 51:3517-31. 2006
  9. pmc 4D treatment planning for scanned ion beams
    Christoph Bert
    Gesellschaft fur Schwerionenforschung GSI, Abteilung Biophysik, Planckstrasse 1, 64291 Darmstadt, Germany
    Radiat Oncol 2:24. 2007
  10. pmc Dosimetric precision of an ion beam tracking system
    Christoph Bert
    GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Abteilung Biophysik, Planckstrasse 1, 64291 Darmstadt, Germany
    Radiat Oncol 5:61. 2010

Detail Information

Publications30

  1. ncbi request reprint Design of 4D treatment planning target volumes
    Eike Rietzel
    Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Int J Radiat Oncol Biol Phys 66:287-95. 2006
    ..We used four-dimensional computed tomography (4DCT) to characterize tumor motion and create treatment volumes in 10 patients with lung cancer. These were compared with standard treatment volumes...
  2. ncbi request reprint Deformable registration of 4D computed tomography data
    Eike Rietzel
    Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    Med Phys 33:4423-30. 2006
    ..The average registration error for five landmarks for each of five patients was 2.1 mm. This level of accuracy is acceptable for most radiotherapy applications...
  3. ncbi request reprint Respiratory motion management in particle therapy
    Eike Rietzel
    Abteilung Biophysik, GSI Helmholtzzentrum fur Schwerionenforschung, Planckstrasse 1, 64291 Darmstadt, Germany
    Med Phys 37:449-60. 2010
    ....
  4. doi request reprint Maximum-intensity volumes for fast contouring of lung tumors including respiratory motion in 4DCT planning
    Eike Rietzel
    Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Int J Radiat Oncol Biol Phys 71:1245-52. 2008
    ..To assess the accuracy of maximum-intensity volumes (MIV) for fast contouring of lung tumors including respiratory motion...
  5. ncbi request reprint Four-dimensional image-based treatment planning: Target volume segmentation and dose calculation in the presence of respiratory motion
    Eike Rietzel
    Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Int J Radiat Oncol Biol Phys 61:1535-50. 2005
    ..To describe approaches to four-dimensional (4D) treatment planning, including acquisition of 4D-CT scans, target delineation of spatio-temporal image data sets, 4D dose calculations, and their analysis...
  6. pmc Range accuracy in carbon ion treatment planning based on CT-calibration with real tissue samples
    Eike Rietzel
    Abteilung Biophysik, Gesellschaft fur Schwerionenforschung, Planckstr 1, 64291 Darmstadt, Germany
    Radiat Oncol 2:14. 2007
    ..This calibration can cause relevant differences between treatment planning and treatment delivery...
  7. ncbi request reprint Improving retrospective sorting of 4D computed tomography data
    Eike Rietzel
    Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    Med Phys 33:377-9. 2006
    ..Residual motion artifacts in the resulting 4DCT volumes are reduced and allow use of the 4D imaging studies for treatment planning...
  8. ncbi request reprint Simulations to design an online motion compensation system for scanned particle beams
    Sven Oliver Grözinger
    Gesellschaft fur Schwerionenforschung GSI, 64291 Darmstadt, Germany
    Phys Med Biol 51:3517-31. 2006
    ..Even limited compensation precision (standard deviation approximately 2 mm), introduced to simulate possible limitations of real-time target tracking, resulted in less than 3% loss in dose homogeneity...
  9. pmc 4D treatment planning for scanned ion beams
    Christoph Bert
    Gesellschaft fur Schwerionenforschung GSI, Abteilung Biophysik, Planckstrasse 1, 64291 Darmstadt, Germany
    Radiat Oncol 2:24. 2007
    ..We describe the methods of our 4D treatment planning approach and demonstrate functionality of the system for phantom as well as patient data...
  10. pmc Dosimetric precision of an ion beam tracking system
    Christoph Bert
    GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Abteilung Biophysik, Planckstrasse 1, 64291 Darmstadt, Germany
    Radiat Oncol 5:61. 2010
    ..Scanned ion beam therapy of intra-fractionally moving tumors requires motion mitigation. GSI proposed beam tracking and performed several experimental studies to analyse the dosimetric precision of the system for scanned carbon beams...
  11. ncbi request reprint A technique for respiratory-gated radiotherapy treatment verification with an EPID in cine mode
    Ross I Berbeco
    Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
    Phys Med Biol 50:3669-79. 2005
    ..The inter-fractional variation of the daily mean positions of the markers, which indicates the uncertainty in the set-up procedure, was within +8.3 mm/-4.5 mm (95% range) in the SI direction for this case...
  12. ncbi request reprint Four-dimensional computed tomography: image formation and clinical protocol
    Eike Rietzel
    Massachusetts General Hospital, Department of Radiation Oncology, Boston, Massachusetts 02114, USA
    Med Phys 32:874-89. 2005
    ..A protocol for 4DCT scanning was evaluated and clinically implemented at the MGH. Patient data are presented to elucidate how additional patient specific parameters can impact 4DCT imaging...
  13. pmc Motion compensation with a scanned ion beam: a technical feasibility study
    Sven Oliver Grözinger
    Gesellschaft fur Schwerionenforschung, Abteilung Biophysik, Darmstadt, Germany
    Radiat Oncol 3:34. 2008
    ..Intrafractional motion results in local over- and under-dosage in particle therapy with a scanned beam. Scanned beam delivery offers the possibility to compensate target motion by tracking with the treatment beam...
  14. ncbi request reprint Temporo-spatial IMRT optimization: concepts, implementation and initial results
    Alexei Trofimov
    Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    Phys Med Biol 50:2779-98. 2005
    ....
  15. ncbi request reprint Four-dimensional proton treatment planning for lung tumors
    Martijn Engelsman
    Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Int J Radiat Oncol Biol Phys 64:1589-95. 2006
    ..We compared different treatment planning strategies for lung tumors that compensate for respiratory motion...
  16. doi request reprint Ion-optical studies for a range adaptation method in ion beam therapy using a static wedge degrader combined with magnetic beam deflection
    Naved Chaudhri
    GSI Helmholtz Centre for Heavy Ion Research GmbH, Planckstrasse 1, 64291 Darmstadt, Germany
    Phys Med Biol 55:3499-513. 2010
    ..The results demonstrate the feasibility/proof of the proposed range adaptation method for beam tracking from the beam quality point of view...
  17. ncbi request reprint Evaluation of deformable registration of patient lung 4DCT with subanatomical region segmentations
    Ziji Wu
    Department of Radiation Oncology, Massachusetts General Hospital, 55 Fruit Street, Boston, Massachusetts 02114, USA
    Med Phys 35:775-81. 2008
    ..Statistical analyses of the mismatch of the homologous points before and after registration demonstrated improved overall accuracy for both algorithms...
  18. doi request reprint Gated irradiation with scanned particle beams
    Christoph Bert
    Gesellschaft fur Schwerionenforschung, Abt Biophysik, Darmstadt, Germany
    Int J Radiat Oncol Biol Phys 73:1270-5. 2009
    ..To demonstrate mitigation of the interplay effects of scanned particle beams and residual target motion within a gating window by increased overlap of pencil beams...
  19. ncbi request reprint Monte Carlo simulations with time-dependent geometries to investigate effects of organ motion with high temporal resolution
    Harald Paganetti
    Department of Radiation Oncology, Massachusetts General Hospital, Northeast Proton Therapy Center, Boston, MA 02114, USA
    Int J Radiat Oncol Biol Phys 60:942-50. 2004
    ..The purpose of this project was the implementation of continuous (four-dimensional [4D]) Monte Carlo simulation to study the irradiation of tumors under respiratory motion...
  20. pmc Scanned carbon beam irradiation of moving films: comparison of measured and calculated response
    Christoph Bert
    GSI Helmholtzzentrum fur Schwerionenforschung, Planckstr 1, 64291 Darmstadt, Germany
    Radiat Oncol 7:55. 2012
    ..These calculation codes should be verified against suitable measurements. We performed simulations and measurements to validate calculation of the film response in the presence of target motion...
  21. ncbi request reprint Four-dimensional imaging and treatment planning of moving targets
    George T Y Chen
    Department of Radiation Oncology, Massachsetts General Hospital, Boston, MA 02114, USA
    Front Radiat Ther Oncol 40:59-71. 2007
    ..Imaging before treatment (image guidance) improves accuracy of radiation delivery, and recording transmission images can provide a means of verifying gated delivery...
  22. ncbi request reprint Moving targets: detection and tracking of internal organ motion for treatment planning and patient set-up
    Eike Rietzel
    Department of Radiation Oncology, Massachusetts General Hospital, Boston 02114, USA
    Radiother Oncol 73:S68-72. 2004
    ..We are studying approaches to targeting moving tumors throughout the entire treatment process, from treatment planning to beam delivery...
  23. doi request reprint Speed and accuracy of a beam tracking system for treatment of moving targets with scanned ion beams
    Nami Saito
    GSI Helmholtz Centre for Heavy Ion Research GmbH, Planckstrasse 1, 64291 Darmstadt, Germany
    Phys Med Biol 54:4849-62. 2009
    ..For example, 5 mm water equivalence (WE) longitudinal beam tracking results in accuracy of 1.08 and 0.48 mm WE in root mean square for time windows of 10 and 50 ms, respectively...
  24. ncbi request reprint 3D online compensation of target motion with scanned particle beam
    Sven O Grözinger
    Gesellschaft fur Schwerionenforschung, Planckstr 1, 64291 Darmstadt, Germany
    Radiother Oncol 73:S77-9. 2004
    ..A prototype setup for 3D online motion compensation (3D-OMC) with a scanned particle beam is described, transferring the full potential of volume conformal irradiation to moving targets...
  25. ncbi request reprint Effects of motion on the total dose distribution
    Thomas Bortfeld
    Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, USA
    Semin Radiat Oncol 14:41-51. 2004
    ..An alternative to the use of margins is to do the planning based on blurred dose distributions...
  26. ncbi request reprint The susceptibility of IMRT dose distributions to intrafraction organ motion: an investigation into smoothing filters derived from four dimensional computed tomography data
    Catherine Coolens
    Joint Department of Physics, Institute of Cancer Research and Royal Marsden NHS Foundation Trust, Downs Road, Sutton, Surrey SM2 5PT, United Kingdom
    Med Phys 33:2809-18. 2006
    ..Smoothing beam profiles either based on a single scan or over the different breathing phases was not beneficial for reducing this shift...
  27. doi request reprint Quantification of interplay effects of scanned particle beams and moving targets
    Christoph Bert
    Gesellschaft für Schwerionenforschung mbH GSI, Abt Biophysik, Darmstadt, Germany
    Phys Med Biol 53:2253-65. 2008
    ..However, especially for small fraction numbers, e.g. hypo-fractionation, treatment of moving targets with scanned particle beams requires motion mitigation techniques such as rescanning, gating, or tracking...
  28. ncbi request reprint Online compensation for target motion with scanned particle beams: simulation environment
    Qiang Li
    Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou 730000, People s Republic of China
    Phys Med Biol 49:3029-46. 2004
    ..It contributes a substantial basis for the experimental research on the irradiation of moving target volumes with scanned ion beams at GSI which will be presented in upcoming papers...
  29. ncbi request reprint 4D-CT imaging of a volume influenced by respiratory motion on multi-slice CT
    Tinsu Pan
    GE Medical Systems, Waukesha, Wisconsin, USA
    Med Phys 31:333-40. 2004
    ..We have applied the scanning and registration methods on phantom, animal and patients, and initial results suggest the applicability of both the scanning and the registration methods...
  30. ncbi request reprint Target motion tracking with a scanned particle beam
    Christoph Bert
    Med Phys 34:4768-71. 2007
    ..Dose gradients and dose to surrounding areas were in good agreement. The motion tracking system successfully preserved dose distributions delivered to moving targets and maintained target conformity...