An in-house timer for ART-specific extra time in gynecologic pelvic online adaptive radiation therapy.

Authors

Yongping Zheng, Runhong Lei, Ang Qu, Min Li, Xiuwen Deng, Haitao Sun, Ping Jiang, Junjie Wang

Published in

Technical innovations & patient support in radiation oncology. Volume 40. Pages 100443. Epub Oct 06, 2026.

Abstract

Online adaptive radiation therapy (ART) lengthens the session, but many published times report one interval and do not isolate ART-specific activity. We developed a console timer that records wall-clock timestamps for a defined event list, stores per-fraction ART settings, and exports Excel tables. ART-specific extra time extends from ART mode until plan approval. After verification on 100 simulated fractions, it was applied in 38 fan-beam CT-guided gynecologic pelvic online ART fractions (nine patients). Mean ART-specific extra time was 13.7 min within a 21.8-min session, dominated by optimization and target/organ-at-risk editing. It supports bottleneck audit under a shared event list.

PMID:
42892964
Bibliographic data and abstract were imported from PubMed on 18 Oct 2026.

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