Visual inspection of the TACs shows a similar initial uptake in the IDH1 and IDH1R132H tumor regions (TAC peak SUVmean: 0.46 vs. 0.41) with a slightly slower kinetics in the mutant tumor (time-to-peak: 0.75 vs. 1.17 min) (Fig. 8, Tab. This evidence concerns the gene IDH1 and neoplasm.