Cervix BT - 2016

Planning aim and prescription dose

 Planning aim: what you want to obtain

 Prescribed dose: what you decide to treat

Example 1

Structure

Dose-volume parameter

Planning aim, Gy

Prescribed dose Gy

CTV HR Bladder Rectum Sigmoid

EQD2 10

D 90

≥ 85 ≤ 90 ≤ 70 ≤ 70 ≤ 70

88.9 71.1 65.6 57.4 53.3

D 2cm D 2cm D 2cm

EQD2 3 EQD2 3 EQD2 3

3

3

3

EQD2 D

Bowel

3

29