Jean Yves Giraud

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Purpose: This work proposes and compares two 3D global evaluation methods for assessing the alteration of calculated dose distributions when treatment planning system algorithms or irradiation techniques is modified in radiation therapy. Methods: The global analysis is based on gamma index (γ) proposed by Low et al. 1 and Chi (χ) index proposed by Bakai et(More)
The authors describe the different steps of 3-D conformal external irradiation. They mention as well two procedures of isocentric repositioning which are mandatory for the matching of anatomical data: the first one is acquired before the simulation and the second one just before the radiotherapy session.
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