Flipping Book - IMRT

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HOMOGENEITY INDEX by RTOG: Mean Dose/Presc Dose

HI95: D5-D95/dose mean (Palma IJROBP 2008)

Murshed

IJROBP

2004

41 pts

Stage IIIA-IIIB

PTV:

623cc (75-1645)

Upper location

Homogeneity Index

3D vs IMRT:

1.16 vs 1.12 (p<0.01)

(<IMRT ≈ 3%)

Liu

IJROBP

2004

10 pts

Stage I-IIIB

PTV: 403 (65-

762)

HI min 1.09 vs 1.06

HI max 1.22 vs 1.23

HI med 1.14 vs 1.15

p=0.813

3D vs IMRT: PTV