Daily Setup Accuracy, Side-effects and Quality of Life During and After Prone Positioned Prostate Radiotherapy

Anticancer Research
Linda VargaAnikó Maráz

Abstract

Exposure of organs at risk with prostate radiotherapy (RT) is lower in the prone position. This study is a prospective evaluation of setup accuracy, side-effects, and quality of life (QOL) during and after prone positioned RT. Image-guided (IG) intensity-modulated (IM) RT was administered in prone position on belly-board to 55 high-risk prostate cancer (PC) patients. Rectum diameters were measured in two areas of the symphysis at the beginning of RT and during it. Side-effects, QOL, and prostate specific symptoms (PSS) were evaluated. Setup accuracy was similar to that reported in the literature. In the upper area of symphysis rectal diameters were significantly changed during treatment, but in the prostate region, no difference was detected. No change was detected in patients' QOL and PSS during treatment, but after RT, they improved. Prone positioned IG-IMRT is feasible with tolerable side-effects for high-risk PC patients. Changes in QOL and PSS are insignificant during RT, while improvement after RT suggests a rapid recovery.

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