2272-2273 / 2953
Rectal bleeding: dose-volume, dose-surface or dose
wall?
- Empty rectum: DWH
≈
DVH
- Full rectum: DWH
≈
DSH
Robust solutions:
Sanchez-Nieto B, Fenwick J F, NahumA E
et al
2001
Biological dose surface maps: evaluation of 3D dose data
for tubular organs
Radiother. Oncol.
61
S52
Empty the rectum at plan CT scan and
use DVH
Use DSH for distended rectum (rectal
balloon
)
Several prospective studies ongoing