Target Volume Determination 2016

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Parameter reporting
 External beam dose
 Implant technique, number of catheters
 TRACK Pattern dwell time for each applicator
 CTV: D90, V100; V150, V200
 PTV (if defined): D90, V100, V150, V200
 Organs at risk: rectum: D0.1cc, D2cc.
 Urethra: D0.1cc, D10, D30 In general for CTV:
– V100 ≥ 95%
– D90 > 100%
– V150 15% CTV
– V200 5% CTV
OARs:
RD2cm3 ≤ 75% prescribed dose
UD 3 ≤ 120% ib d d
1cm prescr e ose