Advanced Physics for Brachytherapy 2018

Topographic Optimisation (TOP)

MR: Modulation Restriction*

20

/ 94.44

MR = 0 MR = 0.12

15

10

5 Dwell Time (s)

/ 29.18

0

MR=0

0 20 40 60

80 100 120 140 160 180 200

Dwell Position

Total Dwell Time:

686.4 s

=> 675.3 s (-1.6%)

COIN:

0.884

=> 0.888

* Using HIPO (Pi-Medical Ltd) implementation in Oncentra Prostate (Elekta, Nucletron B.V.)