689 / 1119
59
Planning aim and prescription dose
Planning aim: what you want to obtain
Prescribed dose: what you decide to treat
Structure
Dose-volume
parameter
Planning aim, Gy
Prescribed dose
Gy
CTV
HR
EQD2
10
D
90
≥ 85
88.9
Bladder
EQD2
3
D
2cm
3
≤ 90
71.1
Rectum
EQD2
3
D
2cm
3
≤ 70
65.6
Sigmoid
EQD2
3
D
2cm
3
≤ 70
57.4
Bowel
EQD2
3
D
2cm
3
≤ 70
53.3
Case 6
Appendix,
ICRU 89