Quantification of prostate and seminal vesicle interfraction variation during IMRT.

  title={Quantification of prostate and seminal vesicle interfraction variation during IMRT.},
  author={Steven J Frank and Lei-xi Dong and Rajat J. Kudchadker and Renaud de Crevoisier and Andrew K. Lee and Rex Cheung and Seungtaek Choi and Jennifer C. O'Daniel and Susan L. Tucker and He Wang and Deborah Ann Kuban},
  journal={International journal of radiation oncology, biology, physics},
  volume={71 3},
PURPOSE To quantify the interfraction variability in prostate and seminal vesicle (SV) positions during a course of intensity-modulated radiotherapy (IMRT) using an integrated computed tomography (CT)-linear accelerator system and to assess the impact of rectal and bladder volume changes. METHODS AND MATERIALS We studied 15 patients who had undergone IMRT for prostate carcinoma. Patients had one pretreatment planning CT scan followed by three in-room CT scans per week using a CT-on-rails… CONTINUE READING


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