Research Topics
| Josephine ChenSummaryAffiliation: University of California Country: USA Publications
| Collaborators |
Detail Information
Publications
Validation of the final aperture superposition technique to calculate electron output factors and depth dose curvesJosephine 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...
Low-dose megavoltage cone-beam CT for radiation therapyJean Pouliot
Department of Radiation Oncology, University of California San Francisco, CA 94143 1708, USA
Int J Radiat Oncol Biol Phys 61:552-60. 2005....
Dose calculation using megavoltage cone-beam CTOlivier 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...
Patient dose considerations for routine megavoltage cone-beam CT imagingOlivier 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...
Physical performance and image optimization of megavoltage cone-beam CTOlivier 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...
Calibration of an amorphous-silicon flat panel portal imager for exit-beam dosimetryJosephine 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...
Comparison of dosimetric and biologic effective dose parameters for prostate and urethra using 131 Cs and 125 I for prostate permanent implant brachytherapyArjun 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)...
Megavoltage cone-beam CT: system description and clinical applicationsOlivier 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...
Image-guided radiotherapy using megavoltage cone-beam computed tomography for treatment of paraspinous tumors in the presence of orthopedic hardwareEric 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....
