Physics Bucharest 2017
Prostate margins – historic example Erasmus MC
* 10 Gy boost
M clin 10/5* 10/0-5* 10/5*
σ
Σ
σ
Σ
σ
Σ
M cal
bone
bone
int
int
tot
tot
LR 1.6 1.3 0.6 0.5 1.7 1.4 AP 2.2 1.5 2.8 2.5 3.6 2.9 CC 1.5 1.4 2.5 2.7 2.9 3.0
4.0 8.3 8.1
CKVO Kassim, Heijmen et al. R&O 2009
(formula by Stroom et al: 2Σ instead of 2.5Σ)
Stroom, Heijmen, et al., R&O, 1999
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