414-415 / 1173
ESTRO
0
20
40
60
80
40
50
60
70
80
90
100
Current data with prostate
tumors at
a/b
= 1.5 Gy
HYPOFRACTIONATION I HYPERFRACTIONATION
1.0 Gy
d/Fr =
1.6 Gy
4 - 5 Gy
1.2 Gy
2 Gy
Late complications
a/b
= 3 Gy
Tumor with
a/b
= 10 Gy
Total Iso-effect Dose (Gy)
Number of dose fractions
Radiobiological and clinical issues in IMRT for prostate C
Courtesy of K. Haustermans