Josephine Chen

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi request reprint Validation of the final aperture superposition technique to calculate electron output factors and depth dose curves
    Josephine Chen
    Department of Radiation Oncology, University of California San Francisco, 1600 Divisadero Street, Suite H1031, San Francisco, California 94115, USA
    Med Phys 36:3397-405. 2009
  2. ncbi request reprint Low-dose megavoltage cone-beam CT for radiation therapy
    Jean Pouliot
    Department of Radiation Oncology, University of California San Francisco, CA 94143 1708, USA
    Int J Radiat Oncol Biol Phys 61:552-60. 2005
  3. ncbi request reprint Dose calculation using megavoltage cone-beam CT
    Olivier Morin
    Comprehensive Cancer Center, Department of Radiation Oncology, University of California, San Francisco, San Francisco, CA 94143, USA
    Int J Radiat Oncol Biol Phys 67:1201-10. 2007
  4. ncbi request reprint Patient dose considerations for routine megavoltage cone-beam CT imaging
    Olivier Morin
    Comprehensive Cancer Center Department of Radiation Oncology, University of California San Francisco, San Francisco, California 94143, USA
    Med Phys 34:1819-27. 2007
  5. ncbi request reprint Physical performance and image optimization of megavoltage cone-beam CT
    Olivier Morin
    Department of Radiation Oncology, Helen Diller Comprehensive Cancer Center, University of California San Francisco, San Francisco, California 94143, USA
    Med Phys 36:1421-32. 2009
  6. ncbi request reprint Calibration of an amorphous-silicon flat panel portal imager for exit-beam dosimetry
    Josephine Chen
    Department of Radiation Oncology, UCSF Comprehensive Cancer Center, 1600 Divisadero Street, Suite H1031, San Francisco, CA 94115, USA
    Med Phys 33:584-94. 2006
  7. doi request reprint Comparison of dosimetric and biologic effective dose parameters for prostate and urethra using 131 Cs and 125 I for prostate permanent implant brachytherapy
    Arjun Sahgal
    Department of Radiation Oncology, University of California, San Francisco, School of Medicine, San Francisco, CA94143, USA
    Int J Radiat Oncol Biol Phys 72:247-54. 2008
  8. ncbi request reprint Megavoltage cone-beam CT: system description and clinical applications
    Olivier Morin
    University of California San Francisco Comprehensive Cancer Center, Department of Radiation Oncology, 94143, USA
    Med Dosim 31:51-61. 2006
  9. ncbi request reprint Image-guided radiotherapy using megavoltage cone-beam computed tomography for treatment of paraspinous tumors in the presence of orthopedic hardware
    Eric K Hansen
    Department of Radiation Oncology, University of California San Francisco, San Francisco, CA 94115, USA
    Int J Radiat Oncol Biol Phys 66:323-6. 2006

Detail Information

Publications9

  1. ncbi request reprint Validation of the final aperture superposition technique to calculate electron output factors and depth dose curves
    Josephine Chen
    Department of Radiation Oncology, University of California San Francisco, 1600 Divisadero Street, Suite H1031, San Francisco, California 94115, USA
    Med Phys 36:3397-405. 2009
    ..These results demonstrate that FAST can be used to provide output factors and depth dose curves for most clinical cases...
  2. ncbi request reprint Low-dose megavoltage cone-beam CT for radiation therapy
    Jean Pouliot
    Department of Radiation Oncology, University of California San Francisco, CA 94143 1708, USA
    Int J Radiat Oncol Biol Phys 61:552-60. 2005
    ....
  3. ncbi request reprint Dose calculation using megavoltage cone-beam CT
    Olivier Morin
    Comprehensive Cancer Center, Department of Radiation Oncology, University of California, San Francisco, San Francisco, CA 94143, USA
    Int J Radiat Oncol Biol Phys 67:1201-10. 2007
    ..To demonstrate the feasibility of performing dose calculation on megavoltage cone-beam CT (MVCBCT) of head-and-neck patients in order to track the dosimetric errors produced by anatomic changes...
  4. ncbi request reprint Patient dose considerations for routine megavoltage cone-beam CT imaging
    Olivier Morin
    Comprehensive Cancer Center Department of Radiation Oncology, University of California San Francisco, San Francisco, California 94143, USA
    Med Phys 34:1819-27. 2007
    ..Reducing the imaging volume in the cranio-caudal direction can further reduce the dose delivered for MVCBCT. This is a useful feature to eliminate the imaging dose to the eyes or to focus on a specific region of interest for alignment...
  5. ncbi request reprint Physical performance and image optimization of megavoltage cone-beam CT
    Olivier Morin
    Department of Radiation Oncology, Helen Diller Comprehensive Cancer Center, University of California San Francisco, San Francisco, California 94143, USA
    Med Phys 36:1421-32. 2009
    ..Further improvement is expected from the next generation MVCBCT system with an optimized megavoltage imaging beamline...
  6. ncbi request reprint Calibration of an amorphous-silicon flat panel portal imager for exit-beam dosimetry
    Josephine Chen
    Department of Radiation Oncology, UCSF Comprehensive Cancer Center, 1600 Divisadero Street, Suite H1031, San Francisco, CA 94115, USA
    Med Phys 33:584-94. 2006
    ..This calibration method for flat panel portal imagers may be used as part of a validation scheme to verify the dose delivered to the patient during treatment...
  7. doi request reprint Comparison of dosimetric and biologic effective dose parameters for prostate and urethra using 131 Cs and 125 I for prostate permanent implant brachytherapy
    Arjun Sahgal
    Department of Radiation Oncology, University of California, San Francisco, School of Medicine, San Francisco, CA94143, USA
    Int J Radiat Oncol Biol Phys 72:247-54. 2008
    ..To compare the urethral and prostate absolute and biologic effective doses (BEDs) for 131 Cs and 125 I prostate permanent implant brachytherapy (PPI)...
  8. ncbi request reprint Megavoltage cone-beam CT: system description and clinical applications
    Olivier Morin
    University of California San Francisco Comprehensive Cancer Center, Department of Radiation Oncology, 94143, USA
    Med Dosim 31:51-61. 2006
    ..Current image quality has already proven sufficient for many IGRT applications. Moreover, we expect the range of clinical applications for MV CBCT to grow as imaging technology continues to improve...
  9. ncbi request reprint Image-guided radiotherapy using megavoltage cone-beam computed tomography for treatment of paraspinous tumors in the presence of orthopedic hardware
    Eric K Hansen
    Department of Radiation Oncology, University of California San Francisco, San Francisco, CA 94115, USA
    Int J Radiat Oncol Biol Phys 66:323-6. 2006
    ..This report describes a new image-guided radiotherapy (IGRT) technique using megavoltage cone-beam computed tomography (MV-CBCT) to treat paraspinous tumors in the presence of orthopedic hardware...