Lower GI 2017

Pelvic OARs constraints: bone marrow

- Main dosimetry predictors (IMRT): coxal and sacral V45 mostly associated to lower nadir of WBC and neutrophils (Yang 2014) - Worst WBC Nadir with 3DCRT

- V40 of whole pelvic BM and iliac BM predicted acute and late limphopenia in a large prostate ca group (wout CHT) treated with IMRT (Sini 2016)

Yang 2014

Sini 2016 Prostate ca pts, no CHT