Advanced Physics for Brachytherapy 2018
Examples for setup uncertainties in BT:
Prostate : Variations of target dose during HDR treatment due to catheter and gland movement
Gyn : Mean DVH shifts (%) due to uncertainties in tandem/ring applicator position (mm) (reconstruction or movement)
7
lateral ant-post longitudinal rotation
Hoskin et al. 2003, Radiother Oncol 68
6
Breast : variations of maximum skin dose and high dose volumes of breast tissue (Mammo Site applicator)
5
4
3
2
% pr. mm displacement 0 1
GTV HR-CTV Rectum Bladder Sigmoid
Tanderup et al. 2008, Radiother Oncol 89
Kim Y. et al 2008, IJROBP 71
Made with FlippingBook - professional solution for displaying marketing and sales documents online