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Objective We postulated that a contiguous rectal dose-volume threshold curve obtained via a best mathematical fit of the toughest literature recommended dose-volume thresholds could be deemed as “safe” related to the risk of rectal toxicity. The practicality of restricting rectal doses to such ideal volume thresholds in clinical practice was tested by comparing data collected from a pool of prostate...
Recently, a new radiotherapy delivery technique has become clinically available—volumetric modulated arc therapy (VMAT). VMAT is the delivery of IMRT while the gantry is in motion using dynamic leaf motion. The perceived benefit of VMAT over IMRT is a reduction in delivery time. In this study, VMAT was compared directly with IMRT for a series of prostate cases. For 10 patients, a biologically optimized...
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