1008 / 1778
CT-based findings
•
Only first fraction CT is necessary: small within patient variaton
•
Bladder filling: increased dose to bladder, decreased dose to
small bowel
•
Applictor angle: horizontal reduces bowel dose
•
Airpockets: most distal, reduced by repositioning
Hoskin
Br J Rad
2000; Stewart
IJROBP
2008; Hung IJROBP 2010; Holloway
IJROBP
2011