Figure 3

Example of PWI and DWI assessment in cases of glioblastomas (grade IV). a, Calculation of the rCBV ratio. The figure shows the ROI location covering the maximal values of CBV (T) in the parametric map. A similar ROI was placed in the contralateral white matter to normalize the image (N). This image corresponds to the conventional MRI images of Figure 1. b, Calculation of rADC. Example of five different ROIs placed within the solid area of the tumor in the ADC map (represented by number 1) and in the contralateral healthy area (represented by number 2). The MRI features of this case are shown in Figure 2.