Gynae BT 2017

IMRT versus 3D-CRT

Single institution experience

• Advantage IMRT over 3D Conformal for organ sparing

• Volume of OAR receiving high dose significantly smaller with IMRT

700

120

100

conformal imrt

600

100

80

500

80

60

400

60

300

40

40

volume in cc

200

20

20

100

0

0

0

bladder 30 Gy

bladder 42.75 Gy

rectum 30 Gy

rectum 42.72 Gy

bowel 30 Gy

bowel 42.75 Gy

Van de Bunt 2006