Investigation of a water equivalent depth method for dosimetric accuracy evaluation of synthetic CT

Jae Hyuk Choi,Behzad Asadi,John Simpson,Jason A. Dowling,Stephan Chalup,James Welsh,Peter Greer

Physica Medica（2023）

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摘要

•Conventional image similarity metrics are insufficient to assess the quality of sCT.•Water equivalent depth (WED) calculation can evaluate dosimetric quality of sCT.•The mean WED difference (ΔWED¯) between the sCT and reference CT can be calculated.•The ΔWED¯ can facilitate the development process of the new sCT generation method.

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关键词

Synthetic CT,Water equivalent depth,Dosimetric QA,MRI-only radiotherapy

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