IMRT 2018

Dose/volume, dose-surface or dose-wall histogram?

Empty rectum: DWH ≈ DVH Full rectum: DWH ≈ DSH

Robust solutions: • Empty the rectum at plan CT scan and use DVH • Use DSH for distended rectum (rectal balloon)

Sanchez-Nieto et al. Radiother. Oncol. 61 S52 , 2001

06/06/2018