Fan beam CT-guided online adaptive external radiotherapy of uterine cervical cancer: a dosimetric evaluation.

ABSTRACT:

Purpose

To discuss the dosimetric advantages and reliability of the accurate delivery of online adaptive radiotherapy(online ART) for uterine cervical cancer(UCC).

Methods and materials

Six UCC patients were enrolled in this study. 95% of the planning target volume (PTV) reached 100% of the prescription dose (50.4 Gy/28fractions/6weeks) was required. The patients were scanned with uRT-Linac 506c KV-FBCT then the target volume (TV) and organs at risk (OARs) were delineated by doctors. The dosimeters designed and obtained a routine plan (Plan0). KV-FBCT was used for image guidance before subsequent fractional treatment. The online ART was processed after registration, which acquired a virtual nonadaptive radiotherapy plan (VPlan) and an adaptive plan (APlan). VPlan was the dir

SUBMITTER: Peng H 

PROVIDER: S-EPMC10294475 | biostudies-literature | 2023 Jun

REPOSITORIES: biostudies-literature