IMRT VS PR DVH
Supra
Tentorium
(Mean non
target)
Dose
(Gy)
±SE
V < 20
(%)
V20-35
V35-65
Photons
26.3
57
14.2
28.5
Protons
7.7
87
4.2
8.7
Absolute
improvt
18
30
10
19.8
Cogni&on
Necrosis
K2