AROI-ESTRO GYN Teaching Course
3D CRT vs IMRT
14 patients with cervical cancer, IMRT: 7 beams, 10 MV
conformal
120
conformal
700
imrt
100
imrt
600
80
60
500
40
400
20
300
0
bladder 30 Gy
bladder 42.75 Gy
volume in cc
200
100
100
conformal imrt
80
0
bowel 30 Gy
bowel 42.75 Gy
60
40
Gain of IMRT is organ sparing!
20
0
Portelance et al 2001, Van de Bunt et al 2006, Lukovich et al
rectum 30 Gy
rectum 42.72 Gy
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