ASMR 2017
Irradiated Volume and Treated Volume: IRV and TV
• IRV: Defined as the volume receiving a significant dose on surrounding normal tissues (Organs At Risk)
• Different from the treated volume which is meant to be treated
• Both depend on the technique used
• Both can be evaluated on the dosimetry but IRV evaluation is rather limited by most TPS Ex: dose estimation outside of the treated field when using non coplanar beams
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