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Table 1 DVH parameters for the different VMAT techniques

From: A fast radiotherapy paradigm for anal cancer with volumetric modulated arc therapy (VMAT)

 

2Rot

1Rot iFo

1RotALLW

HI

1.1

1.1

1.15

CI

1.46

1.54

1.49

MU

287

293

348

TT

370s

185s

188s

VTissue 10% PD

13414 cm3 ≡ 38.98%

13643 cm3 ≡ 39.6%

12456 cm3 ≡ 36.2%

VTissue 30% PD

10345 cm3 ≡ 30.1%

10635 cm3 ≡ 30.9%

8741 cm3 ≡ 25.4%

VTissue 50% PD

7571 cm3 ≡ 22.0%

8157 cm3 ≡ 23.7%

5321 cm3 ≡ 15.5%

VTissue 70% PD

4089 cm3 ≡ 11.9%

4735 cm3 ≡ 13.8%

2727 cm3 ≡ 7.9%

VTissue 95% PD

430 cm3 ≡ 1.2%

370 cm3 ≡ 1.1%

0 cm3 ≡ 0%

D95% Vol PTV

33.84 Gy ≡ 94%

33.48 Gy ≡ 93%

32.4 Gy ≡ 90%

D95% Vol Tissue

0.75 Gy ≡ 2.09%

0.8 Gy ≡ 2.22%

0.02 Gy ≡ 0.06%