1084 / 1228
Application variation in fractionated HDR GYN BT
(Kirisits et al. 2006)
Mean differences between single plan for all implantations to
individual plan for each implantation
5 9 G f D CTV
. y or
90
HR
(14 % for BT dose only, 7 % including EBRT)
Much higher compared to interfraction study:
BT applied already during EBRT! (shrinkage)