Gynae BT 2017

Imaging protocols MRI and CT Key issues when using CT or MRI for IGABT

Target, OARs, Applicator, Patho-anatomical structures

OAR MRI: organ wall is visible CT: organ border is visible

Applicator MRI  CT 

Bladder

MR

CT

HR-CTV

patho-anatomical Structures MRI  CT ↓

Target MRI: HR-CTV, GTV CT: only HR-CTV (soft tissue depiction ↓)

Rectum

Viswanathan et al. IJROBP 2007

Imaging protocols CT and MRI, JCA Dimopoulos, P Petrow, Prague, Czech Republic, 22.10.2017 - 26.10.2017