ArticleJournal of medical physics
Detection of Intrafractional Set-Up Errors Using Electronic Portal Imaging Device-based
Article in Journal of medical physics. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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9 authors.
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Abstract
Aim: This study aimed to clarify the relationship between the results of Methods: Fifteen patients undergoing deep-inspiration breath-hold (DIBH) irradiation for left breast cancer were included in the study. The prescribed dose and fraction size were 50 Gy for six patients, and 42.56 Gy for nine patients. Visual coaching devices were used to improve the reproducibility of deep inspiration states. For IVD, integrated electronic portal imaging device (EPID) images were obtained using treatment beams. Intra-fractional SEs were detected, and gamma analysis was performed on these images. Receiver-operating characteristic curves were calculated to assess the accuracy of the detection of the intrafractional SEs for each criterion. Results: The mean values for two-dimensional vectors, absolute Conclusions: In IVD with EPIDs for DIBH irradiation, the optimal γ-analysis index for intrafractional SEs detection >3 mm is 3% 3 mm.
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