726 / 1119
30
Planning aim and prescription dose
Planning aim: what you want to obtain
Prescribed dose: what you decide to treat
Structure
Dose parameter
Planning aim, Gy
Prescribed dose
Gy
Target
Point A
7Gy
6.5Gy
Bladder
ICRU point
≤ 7Gy
6.8 Gy
Rectum
ICRU point
≤ 75% of 7Gy
5.3 Gy
Example 2