Radiation dose to rectum in high-dose-rate brachytherapy with a single implant and two fractions for prostate cancer, and its prediction by prostate volume
Abstract:We aimed to clarify the differences between the estimated rectal dose (ERD) and the first measured dose (FMD) and second measured dose (SMD) to the rectum during high-dose-rate (HDR) brachytherapy, and to predict FMD from the prostate volume (PV) or the rectal dose-volume parameters (RDVPs). ERD, FMD, and SMD were assessed with a rectal dosimeter during HDR brachytherapy of 18 Gy given in two fractions to 110 patients (48 hormone recipients, 62 hormone-naïve patients) with prostate cancer. The correlations bet… Show more
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