Gynae BT 2017

Intro

Mission

Concept

« Intracavitary » versus Interstitial treatment planning approach

achieved by Weighting/dwell times (and Normalization point) determined by location and target

Normalization/Reference point(s) Nr. Catheter Nr._

100% (=PD) 200%

10

10

11

11

5

5

4

6

4

6

12

12

3

3

9

9

7

7

Taken from the GEC ESTRO Handbook

8

8

Dominant weighting in catheter 3 Dose normalized to Reference point (“reference” distance from applicator surface)

Balanced weighting between catheters 1-12 Dose normalized to ~85% basal dose (MCD)

BT-GYN Teaching Course

D. Berger