IMRT 2018

Dose constraints

Dose constraints for < 1-2% incidence of faecal incontinence:

OAR

Parameter

Constraint

Rectum

V

65-80%

40Gy

Rectum

Mean dose

45-50 Gy

Anal sphincter

V

90-95%

30Gy

Shows a parallel-type response to the dose distribution

06/06/2018