Fig. 1From: Amino-acid PET versus MRI guided re-irradiation in patients with recurrent glioblastoma multiforme (GLIAA) – protocol of a randomized phase II trial (NOA 10/ARO 2013-1)Flowchart of the GLIAA trial. AA-PET = amino acid positron emission tomography; MRI = magnetic resonance imaging; FET = O-(2-[18F]fluoroethyl)-L-tyrosine; Gd = gadoliniumBack to article page