Target Volume Determination 2015
Target volumes • ICRU report 50 and supplement 62 (1993 + 1999) specified definitions of different target volumes
• ICRU 62 was an update triggered by: i) increasing availability of conformal therapy where margins are more critical ii) need to describe normal tissues better
• ICRU 62 introduced the Planning organ at Risk Volume (PRV)
• ICRU 83 (2010) developed concepts for IMRT
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