Robert Schneider

Summary

Affiliation: National Institute of Radiological Sciences
Country: Japan

Publications

  1. doi request reprint Dosimetric impact of 4DCT artifact in carbon-ion scanning beam treatment: Worst case analysis in lung and liver treatments
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Japan Electronic address
    Phys Med 32:787-94. 2016
  2. doi request reprint Carbon-Ion Pencil Beam Scanning Treatment With Gated Markerless Tumor Tracking: An Analysis of Positional Accuracy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan Electronic address
    Int J Radiat Oncol Biol Phys 95:258-66. 2016
  3. pmc Development of fast patient position verification software using 2D-3D image registration and its clinical experience
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba 263 8555, Japan
    J Radiat Res 56:818-29. 2015
  4. doi request reprint Four-dimensional layer-stacking carbon-ion beam dose distribution by use of a lung numeric phantom
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba, 263 8555, Japan
    Radiol Phys Technol 8:232-42. 2015
  5. pmc Amplitude-based gated phase-controlled rescanning in carbon-ion scanning beam treatment planning under irregular breathing conditions using lung and liver 4DCTs
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba 263 8555, Japan
    J Radiat Res 55:948-58. 2014
  6. doi request reprint Conformity and robustness of gated rescanned carbon ion pencil beam scanning of liver tumors at NIRS
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan Electronic address
    Radiother Oncol 111:431-6. 2014
  7. doi request reprint Four-dimensional treatment planning in layer-stacking boost irradiation for carbon-ion pancreatic therapy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan Electronic address
    Radiother Oncol 111:258-63. 2014
  8. pmc Effective and organ doses using helical 4DCT for thoracic and abdominal therapies
    Yuka Matsuzaki
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, 4 9 1, Anagawa, Inage Ku, Chiba, 263 8555, Japan
    J Radiat Res 54:962-70. 2013
  9. pmc First clinical experience in carbon ion scanning beam therapy: retrospective analysis of patient positional accuracy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba 263 8555, Japan
    J Radiat Res 53:760-8. 2012
  10. pmc Evaluation of the dose variation for prostate heavy charged particle therapy using four-dimensional computed tomography
    Motoki Kumagai
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Anagawa 4 9 1, Inage, Chiba 263 8555, Japan
    J Radiat Res 54:357-66. 2013

Detail Information

Publications39

  1. doi request reprint Dosimetric impact of 4DCT artifact in carbon-ion scanning beam treatment: Worst case analysis in lung and liver treatments
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Japan Electronic address
    Phys Med 32:787-94. 2016
    ..We evaluated the impact of 4DCT artifacts on carbon-ion pencil beam scanning dose distributions in lung and liver treatment...
  2. doi request reprint Carbon-Ion Pencil Beam Scanning Treatment With Gated Markerless Tumor Tracking: An Analysis of Positional Accuracy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan Electronic address
    Int J Radiat Oncol Biol Phys 95:258-66. 2016
    ..Having implemented amplitude-based respiratory gating for scanned carbon-ion beam therapy, we sought to evaluate its effect on positional accuracy and throughput...
  3. pmc Development of fast patient position verification software using 2D-3D image registration and its clinical experience
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba 263 8555, Japan
    J Radiat Res 56:818-29. 2015
    ..Calculation time was less than 7.26 s.The new registration software has been successfully installed and implemented in our treatment process. We expect that it will improve both treatment workflow and treatment accuracy. ..
  4. doi request reprint Four-dimensional layer-stacking carbon-ion beam dose distribution by use of a lung numeric phantom
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba, 263 8555, Japan
    Radiol Phys Technol 8:232-42. 2015
    ..A combination of these approaches is a practical means of adding them to existing treatment protocols without modifications. ..
  5. pmc Amplitude-based gated phase-controlled rescanning in carbon-ion scanning beam treatment planning under irregular breathing conditions using lung and liver 4DCTs
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba 263 8555, Japan
    J Radiat Res 55:948-58. 2014
    ..As with regular respiratory patterns, amplitude-based gated multiple phase-controlled rescanning preserves target coverage to a moving target under irregular respiratory patterns...
  6. doi request reprint Conformity and robustness of gated rescanned carbon ion pencil beam scanning of liver tumors at NIRS
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan Electronic address
    Radiother Oncol 111:431-6. 2014
    ..Pencil beam scanning offers excellent conformity, but is sensitive to organ motion. We conducted a simulation study to validate our rescanning approach in combination with gating in the irradiation of liver tumors...
  7. doi request reprint Four-dimensional treatment planning in layer-stacking boost irradiation for carbon-ion pancreatic therapy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan Electronic address
    Radiother Oncol 111:258-63. 2014
    ..We evaluated respiratory-gated carbon-ion beam dose distribution with boost irradiation in pancreatic therapy and compared results between the passive scattering and layer-stacking (a kind of semi-active scanning) irradiation techniques...
  8. pmc Effective and organ doses using helical 4DCT for thoracic and abdominal therapies
    Yuka Matsuzaki
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, 4 9 1, Anagawa, Inage Ku, Chiba, 263 8555, Japan
    J Radiat Res 54:962-70. 2013
    ..4DCT imaging should be performed with care in order to minimize radiation exposure, but the advantages of 4DCT imaging mandates its incorporation into routine treatment protocols. ..
  9. pmc First clinical experience in carbon ion scanning beam therapy: retrospective analysis of patient positional accuracy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba 263 8555, Japan
    J Radiat Res 53:760-8. 2012
    ..This retrospective residual positional error analysis shows that the accuracy of patient setup during the first clinical trials of carbon ion beam scanning therapy was good and improved with increasing therapist experience...
  10. pmc Evaluation of the dose variation for prostate heavy charged particle therapy using four-dimensional computed tomography
    Motoki Kumagai
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Anagawa 4 9 1, Inage, Chiba 263 8555, Japan
    J Radiat Res 54:357-66. 2013
    ..Small dose variations, however, were observed due to respiratory-induced abdominal thickness variation; therefore the geometrical changes should be considered for prostate particle therapy...
  11. pmc Effects of a difference in respiratory cycle between treatment planning and irradiation for phase-controlled rescanning and carbon pencil beam scanning
    S Mori
    Medical Physics Research Group, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan
    Br J Radiol 86:20130163. 2013
    ....
  12. doi request reprint Current status and future prospects of multi-dimensional image-guided particle therapy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba 263 8555, Japan
    Radiol Phys Technol 6:249-72. 2013
    ..We believe that international collaboration in rapidly developing fields such as IGRT provides a broad perspective over a wide range of the uses of such technology. ..
  13. doi request reprint Systematic evaluation of four-dimensional hybrid depth scanning for carbon-ion lung therapy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba, Japan
    Med Phys 40:031720. 2013
    ..The authors studied the effects of intrafractional respiratory motion for carbon-ion pencil beam scanning with phase-controlled rescanning on dose distributions for lung tumors. To address density variations, they used 4DCT data...
  14. doi request reprint Patient handling system for carbon ion beam scanning therapy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Japan
    J Appl Clin Med Phys 13:3926. 2012
    ....
  15. doi request reprint Development of digital reconstructed radiography software at new treatment facility for carbon-ion beam scanning of National Institute of Radiological Sciences
    Shinichiro Mori
    National Institute of Radiological Sciences, Chiba, Japan
    Australas Phys Eng Sci Med 35:221-9. 2012
    ..The DRR software introduced here enabled patient positioning with sufficient accuracy for the implementation of carbon-ion beam scanning therapy at our center...
  16. doi request reprint Practical approaches to four-dimensional heavy-charged-particle lung therapy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Anagawa, Chiba, Japan
    Radiol Phys Technol 3:23-33. 2010
    ..The ITV-4DCT bolus treatment plan is time-efficient and provides a high-quality dose distribution, making it a practical alternative to the GTV-4DCT bolus treatment plan...
  17. pmc Changes in chest wall thickness during four-dimensional CT in particle lung treatment planning
    S Mori
    Research Centre for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan
    Br J Radiol 84:e158-60. 2011
    ..The thickness of the posterior right chest wall changed with respiration with a water equivalent path length (WEL) of more than 5 mm over the mid-exhalation phase but the thickness of the left chest wall did not vary...
  18. doi request reprint Four-dimensional lung treatment planning in layer-stacking carbon ion beam treatment: comparison of layer-stacking and conventional ungated/gated irradiation
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan
    Int J Radiat Oncol Biol Phys 80:597-607. 2011
    ..We compared four-dimensional (4D) layer-stacking and conventional carbon ion beam distribution in the treatment of lung cancer between ungated and gated respiratory strategies using 4DCT data sets...
  19. doi request reprint Design of a compensating bolus by use of exhalation CT data for covering residual motion in respiratory-gated charged-particle lung therapy: four-dimensional carbon beam dose calculation
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage Ku, Chiba, Japan
    Radiol Phys Technol 1:83-8. 2008
    ..Our results will be beneficial for improving the accuracy of charged-particle radiotherapy for hospitals where 4DCT cannot be used...
  20. doi request reprint Development of a GPU-based multithreaded software application to calculate digitally reconstructed radiographs for radiotherapy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan
    Radiol Phys Technol 2:40-5. 2009
    ..This excellent performance may increase the accuracy of patient positioning and improve the patient treatment throughput time...
  21. ncbi request reprint Effects of intrafractional motion on water equivalent pathlength in respiratory-gated heavy charged particle beam radiotherapy
    Shinichiro Mori
    Department of Radiation Oncology, Massachusetts General Hospital, and Harvard Medical School, Boston, MA, USA
    Int J Radiat Oncol Biol Phys 69:308-17. 2007
    ....
  22. ncbi request reprint Development of high-radiation-sensitive polymer gel for magnetic resonance imaging in three-dimensional dosimetry
    Shinichiro Mori
    Department of Medical Physics, National Institute of Radiological Sciences, 4 9 1, Anagawa, Chiba, Japan, 263 8555
    Magn Reson Imaging 23:691-4. 2005
    ..Since the present gel has higher sensitivity and it is synthesized more easily at lower cost than conventional polymer gels, we expect to see improved three-dimensional (3D) dosimetry using it...
  23. ncbi request reprint Physical evaluation of CT scan methods for radiation therapy planning: comparison of fast, slow and gating scan using the 256-detector row CT scanner
    Shinichiro Mori
    Department of Medical Physics, National Institute of Radiological Sciences, 4 9 1 Anagawa, Chiba, Japan
    Phys Med Biol 51:587-600. 2006
    ..FSCT-ave is a satisfactory radiotherapy planning alternative if RGCT is not available...
  24. ncbi request reprint Clinical potentials for dynamic contrast-enhanced hepatic volumetric cine imaging with the prototype 256-MDCT scanner
    Shinichiro Mori
    Department of Medical Physics, National Institute of Radiological Sciences, Chiba, 4 9 1 Anagawa, Inage Ku, Chiba shi, Chiba, 263 8555, Japan
    AJR Am J Roentgenol 185:253-6. 2005
    ..To achieve dynamic contrast-enhanced hepatic volumetric cine imaging, we developed a prototype 256-MDCT scanner. This study examined the feasibility of the technique for human hepatic imaging in three hepatocellular carcinoma patients...
  25. ncbi request reprint Noise properties for three weighted Feldkamp algorithms using a 256-detecotor row CT-scanner: case study for hepatic volumetric cine imaging
    Shinichiro Mori
    Department of Medical Physics, National Institute of Radiological Sciences, Chiba 263 8555, Japan
    Eur J Radiol 59:289-94. 2006
    ..We concluded that, considering the trade-off between image quality and temporal resolution, the NHS-FDK algorithm is useful in volumetric cine imaging for the abdomen...
  26. ncbi request reprint Properties of the prototype 256-row (cone beam) CT scanner
    Shinichiro Mori
    Department of Medical Physics, National Institute of Radiological Sciences, Chiba, 263 8555, Japan
    Eur Radiol 16:2100-8. 2006
    ..The 256MDCT promises more accurate diagnosis, and will provide volumetric cine images of wider cranio-caudal coverage, enabling new applications of CT...
  27. ncbi request reprint Volumetric coronary angiography using the 256-detector row computed tomography scanner: comparison in vivo and in vitro with porcine models
    S Mori
    Department of Medical Physics, National Institute of Radiological Sciences, Chiba 263 8555, Japan
    Acta Radiol 47:186-91. 2006
    ..To investigate the feasibility of volumetric cine imaging in human cardiac studies by comparing in vivo and in vitro coronary angiography using a 256-detector row computed tomography (CT) without ECG gating...
  28. ncbi request reprint Physical evaluation of the weighted Feldkamp algorithms applied to the 256-detector row CT scanner for volumetric cine imaging
    Shinichiro Mori
    Department of Medical Physics and Medical Imaging, National Institute of Radiological Sciences, Chiba, Japan
    Acad Radiol 13:701-12. 2006
    ..We conducted a practical physical evaluation of NHS-FDK and HS-FDK using 256-detector row CT...
  29. ncbi request reprint Volumetric cine imaging for cardiovascular circulation using prototype 256-detector row computed tomography scanner (4-dimensional computed tomography): a preliminary study with a porcine model
    Shinichiro Mori
    Department of Medical Physics, National Institute of Radiological Sciences, Chiba, Japan
    J Comput Assist Tomogr 29:26-30. 2005
    ..5-mm slice thickness. The thin sections can be used to create cine loops in multiple planes. Thus, the 256-detector row CT scanner overcomes some of the limitations of present helical CT methods...
  30. ncbi request reprint Quantitative assessment of range fluctuations in charged particle lung irradiation
    Shinichiro Mori
    Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Int J Radiat Oncol Biol Phys 70:253-61. 2008
    ..We have studied range fluctuations by analyzing four-dimensional computed tomography data and quantitatively assessing potential beam overshoot...
  31. doi request reprint Magnitude of residual internal anatomy motion on heavy charged particle dose distribution in respiratory gated lung therapy
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan
    Int J Radiat Oncol Biol Phys 71:587-94. 2008
    ..To assess the variation in carbon beam dose distribution due to residual motion in lung cancer patients undergoing respiratory-gated radiotherapy...
  32. doi request reprint Quantification and visualization of charged particle range variations
    Shinichiro Mori
    Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    Int J Radiat Oncol Biol Phys 72:268-77. 2008
    ..We have developed analysis tools to quantify the water equivalent pathlength (WEL) variations resulting from respiration (WEL analyzer, Aqualyzer), as well as a data explorer to view WEL variations interactively...
  33. doi request reprint Effective doses in four-dimensional computed tomography for lung radiotherapy planning
    Shinichiro Mori
    Research Center for Charged Particle Therapy Chiba, Japan
    Med Dosim 34:87-90. 2009
    ..However, the increase in treatment accuracy afforded by 4DCT means its use in radiotherapy is inevitable. The patient exposure in the 4DCT could be of value by clarifying the advantage of the treatment planning using 4DCT...
  34. doi request reprint Four-dimensional measurement of intrafractional respiratory motion of pancreatic tumors using a 256 multi-slice CT scanner
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan
    Radiother Oncol 92:231-7. 2009
    ..To quantify pancreas and pancreatic tumor movement due to respiratory motion using volumetric cine CT images...
  35. doi request reprint Comparison of respiratory-gated and respiratory-ungated planning in scattered carbon ion beam treatment of the pancreas using four-dimensional computed tomography
    Shinichiro Mori
    Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan
    Int J Radiat Oncol Biol Phys 76:303-12. 2010
    ..We compared respiratory-gated and respiratory-ungated treatment strategies using four-dimensional (4D) scattered carbon ion beam distribution in pancreatic 4D computed tomography (CT) datasets...
  36. ncbi request reprint Effects of interfractional anatomical changes on water-equivalent pathlength in charged-particle radiotherapy of lung cancer
    Shinichiro Mori
    Massachusetts General Hospital, Harvard Medical School, Department of Radiation Oncology, USA
    J Radiat Res 50:513-9. 2009
    ..If the same initial bolus and plan were used through the treatment course, an unexpected significant beam overshoot would occur by interfractional changes due to tumor shrinkage and lung density variation...
  37. ncbi request reprint Proton radiotherapy for orbital rhabdomyosarcoma: clinical outcome and a dosimetric comparison with photons
    Torunn Yock
    Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Int J Radiat Oncol Biol Phys 63:1161-8. 2005
    ..However, the late effects of photon radiation compromise function and cosmetic outcome. Proton radiation can provide excellent tumor dose distributions while sparing normal tissues better than photon irradiation...
  38. ncbi request reprint Use of an absorbable membrane to position biologically inductive materials in the periprosthetic space of cemented joints
    Gene R DiResta
    Orthopaedics Research Laboratory, Memorial Sloan Kettering Cancer Center, RRL 409, 430 E67th St, New York, NY 10021, USA
    J Biomech 39:833-43. 2006
    ..Aseptic loosening and lameness occurred within 12 months, quicker than the 30 months reported in a retrospective clinical review of canine hip arthroplasty...
  39. ncbi request reprint Discordantly high spinal bone mineral density values in patients with adult lumbar scoliosis
    Ioannis P Pappou
    Hospital for Special Surgery, New York, NY 10021, USA
    Spine (Phila Pa 1976) 31:1614-20. 2006
    ..Retrospective study...