Gynae BT 2017

Dose Optimization based on reference points/line

target

TL equal

cylinder

Dwell weight Dwell weight

30 mm

equal times

Apex

40 mm

TL opt

optimized

Surface dose ~ 150%

Dose at the applicator (apex) tip: 120% equal

< 250%

ASL

= ASL

opt

equal

opt

5mm (apex): 60%

< 100%

RIL

< RIL

equal

opt

equal

opt

Department of Medical Physics