Physics Bucharest 2017
6/3/2017
By computing the score for a set of candidate directions, the ideal irradiation angle for target voxel i is defined as the direction with the minimum score. Distance along ray Dose Beam angle optimization with a patient specific score for every target voxel… OAR Targe t OAR Normal Tissue D NT D NT D Target D OAR Target voxel i Direction j
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Courtesy of Uwe Oelfke
Treatment plan comparison for a prostate lesion – 9 coplanar equi-spaced beams versus 9 non-coplanar beams
■ 9 coplanarequi-spaced beams ■ 9 optimized beams
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Courtesy of Uwe Oelfke
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