Gamma-index method sensitivity for gauging plan delivery accuracy of volumetric modulated arc therapy.


PURPOSE The aim of this study was to investigate the sensitivity of the gamma-index method according to various gamma criteria for volumetric modulated arc therapy (VMAT). METHODS Twenty head and neck (HN) and twenty prostate VMAT plans were retrospectively selected for this study. Both global and local 2D gamma evaluations were performed with criteria of… (More)
DOI: 10.1016/j.ejmp.2015.08.005


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