Research
Nov 22, 2006
Think dosimetry, think 3D
Intensity-modulated radiation therapy (IMRT) is a powerful technique that allows radiation doses to be tailored precisely to the shape of a patient's tumour so that side-effects in healthy tissue are minimized. Unfortunately, quality-assurance (QA) methods have failed to keep pace with delivery technology, which means that scientists must currently attempt to validate complex 3D dose distributions using 1D and 2D dosimetry systems. That could be about to change, however, if work under way at Duke University (Durham, NC, US) makes the transition from laboratory to market-place.
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