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IMRT for Prostate Cancer
POSITIONING AND IMMOBILISATION
The patient will be immobilised head first supine on the combifix.
RADIOTHERAPY PLANNING
CT planning scan of the pelvis with 2.5 mm slice thickness
Bladder and rectal filling - Comfortably full bladder (350mls of
water 30 minutes before scan) and empty rectum achieved using
microlette enemas)
Rescan the patient if the bladder is empty or the rectum is >5cm.
Consider rescan if rectum > 3.5cm and rectum is deforming
prostate.
Scanning levels: From the top of the L3 vertebral space to 5cm
below the ischial tuberosities.