Table 1 Dose prescription and OAR constraints used for the planning.

From: Simultaneous integrated boost with stereotactic radiotherapy for dominant intraprostatic lesion of localized prostate cancer: a dosimetric planning study

Type

Parameter

Prescription or constraints

Target volume

DIL

D95%

95% of the PD to DIL

Whole prostate

D95%

100% of PD (35 Gy)

PTV

D99%

80% of PD (28 Gy)

OAR

Rectum

Dmax

100% of the PD (35 Gy)

V88% of PD (30.8 Gy)

 < 1 cc

Bladder

Dmax

110% of the PD (38.5 Gy)

V102% of the PD (35.7 Gy)

 < 1 cc

Urethra

Dmax

No boost: 110% of the PD (38.5 Gy)

DIL_40: 115% of the PD (40.25 Gy)

DIL_45: 120% of the PD (42 Gy)

  1. DIL dominant intraprostatic lesion, OAR organ at risk, PD prescription dose, PTV planning target volume.
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