1390-1391 / 2953
Murshed
IJROBP 2004
(sliding window)
41 pts
PTV:
623cc (75-1645)
Conformity Index
3D vs IMRT:
1.54 vs 1.41 (p<0.01)
(IMRT benefit ≈ 21%)
Liu
IJROBP 2004
(sliding window)
10 pts
PTV: 403 (65-762)
3D IMRT IMRT benefit:
CI min 1.33 vs 1.07 20%
CI max 4.53 vs 2.09 54%
3D vs IMRT: PTV
CI med 2.35 vs 1.37 42%
p=0.012
Christian
IJROBP 2007
(step and shoot)
10 pts
PTV 197 (103-271
cc)
PTV90/V20
IMRT benefit ≈ 25% (12-36%);
50% IMRT non planar or 9 fields