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This study comparatively analysed dose distributions between the fixed and rotating gantry positions of volumetric-modulated arc therapy (VMAT) plans measured using different dosimetric techniques with the intent to provide pre-treatment quality assurance (QA). A total of 12 VMAT plans for the treatment of anatomical sites of various complexities were(More)
OBJECTIVE To study the correction of algorithm for Varian enhanced dynamic wedge(EDW) factors and compare the dose/monitor unit (MU) deviation measured at the central axis of EDW field with that obtained by manual calculation or using the treatment planning system. METHODS EDW factors and dose were measured with Thimble ion chamber at 10 cm depth under(More)
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