IMRT versus 3D-CRT
0
100
200
300
400
500
600
700
bowel 30 Gy
bowel 42.75 Gy
volume in cc
0
20
40
60
80
100
120
bladder 30 Gy
bladder 42.75 Gy
0
20
40
60
80
100
rectum 30 Gy
rectum 42.72 Gy
conformal
imrt
Single institution experience
•
Advantage IMRT over 3D Conformal for organ sparing
•
Volume of OAR receiving high dose significantly smaller with IMRT
Van de Bunt
2006