718 / 1778
5 cm
3
2 cm
3
V
D
DVH
D’
D
D’
D
small difference
DVH
DWH
DWH
5 cm
3
2 cm
3
large difference
5 cm
3’
2 cm
3’
Olszewska AM. Radiother Oncol 2001;61:83-85
Can we contour organs
instead of organ walls?
Delineate Organ or Organ wall?
Situation in
Brachytherapy
Organ
Organ wall
Yes, if doses up
to 2 cm
3
are evaluated