Fig. 1From: Diffusion and perfusion weighted magnetic resonance imaging for tumor volume definition in radiotherapy of brain tumorsImages of a patient with an untreated glioblastoma multiforme (GBM). a T1-weighted contrast-enhanced image; b relative cerebral blood volume (rCBV) map; c relative cerebral blood flow (rCBF) map; d relative mean transit time (rMTT) mapBack to article page