Journal article

Independent review of 4DCT scans used for SABR treatment planning

Rachitha Antony, Peta Lonski, Elena Ungureanu, Nicholas Hardcastle, Adam Yeo, Shankar Siva, Tomas Kron

Journal of Applied Clinical Medical Physics | WILEY | Published : 2020

Abstract

Four-dimensional computerized tomography (4DCT) is required for stereotactic ablative body radiotherapy (SABR) of mobile targets to account for tumor motion during treatment planning and delivery. In this study, we report on the impact of an image review quality assurance process performed prior to treatment planning by medical physicists for 4DCT scans used for SABR treatment. Reviews were performed of 211 4DCT scans (193 patients) over a 3-yr period (October 2014 to October 2017). Treatment sites included lung (n = 168), kidney/adrenal/adrenal gland (n = 12), rib (n = 4), mediastinum (n = 10), liver (n = 2), T-spine (n = 1), and other abdominal sites (n = 14). It was found that in 23% (n =..

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