Analysis of the Influence of Peripheral Anatomical Changes for CBCT-Guided Prostate Cancer Radiotherapy.

Yingjie Zhang,Xiangbin Zhang,Jing Li,Liang Zeng,Xuetao Wang,Xiaohong Wu, Yan Li,Xiaoyu Li,Renming Zhong

Technology in cancer research & treatment（2021）

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摘要

Significant correlations were observed between the volume variation and the dose variation of the bladder and rectum. However, when a bladder and rectal filling protocol was adopted, the target dose coverage can be effectively ensured based on CBCT guidance to correct the prostate target position.

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关键词

CBCT guidance,bladder and rectum filling,body contour changes,dose uncertainty,prostate cancer

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