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Research

Sep 3, 2010

GPU-based optimization speeds replanning

Online adaptation of intensity-modulated radiotherapy (IMRT), in which treatment is replanned according to the daily cone-beam CT scan, promises to significantly reduce normal tissue toxicity and improve target coverage. Ideally, the modified plan should be created immediately prior to delivering each treatment fraction. This does, however, place strict time constraints on the replanning process, which must be performed within a few minutes while the patient is in the treatment position.

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