580 / 1119
Dosimetric Comparison: 3D Conformal vs IMRT
0
100
200
300
400
500
600
700
bowel 30 Gy
bowel 42.75 Gy
volume in cc
conformal
imrt
0
20
40
60
80
100
120
bladder 30 Gy
bladder 42.75 Gy
conformal
imrt
0
20
40
60
80
100
rectum 30 Gy
rectum 42.72 Gy
conformal
imrt
Van de Bunt et al 2006
Volume of OAR ( Bowel , Bladder , Rectum ) receiving higher doses
were significantly less in IMRT than 3D-CRT plan