Incorporation of gantry angle correction for 3D dose prediction in intensity-modulated radiation therapy.
Journal of Radiation Research(2015)
摘要
Pretreatment dose verification with beam-by-beam analysis for intensity-modulated radiation therapy (IMRT) is commonly performed with a gantry angle of 0° using a 2D diode detector array. Any changes in multileaf collimator (MLC) position between the actual treatment gantry angle and 0° may result in deviations from the planned dose. We evaluated the effects of MLC positioning errors between the a...
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关键词
MLC,IMRT,prediction,QA,non-gap test
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