Gynae BT 2017

Delineate Organ or Organ wall?

Organ

Organ wall

Situation in Brachytherapy

5 cm 3

5 cm 3’

2 cm 3’

2 cm 3

Can we contour organs instead of organ walls?

DW

DVH

V

DVH

DWH

Yes, if doses up to 2 cm 3 are evaluated

small difference

large difference

5 cm 3

2 cm 3

D

D’

D’

Olszewska AM. Radiother Oncol 2001;61:83-85

D

D

NOM DU DOCUMENT / Date

GUSTAVE ROUSSY