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Table 2 Dose-volume parameters for the PTVEBRT and CTVCT for the 74Gy external beam plan.

From: MRS-guided HDR brachytherapy boost to the dominant intraprostatic lesion in high risk localised prostate cancer

 

PTVEBRT

CTVCT

V90

1.00

1.00

V95

0.98

1.00

V100

0.18

0.32

V125

0.00

0.00

D100, Gy

69.60

72.00

D90, Gy

71.70

73.00

Dmin, Gy

67.42

71.06

Dmax, Gy

74.43

74.45

Dav, Gy

73.04

73.69

  1. V90, V95, V100 and V125 are volumes irradiated to 90, 95, 100 and 125% of prescription dose of 74Gy, respectively. D100 and D90 are doses to the 100% and 90% of volume, respectively.