247152.fig.003a
(a)
247152.fig.003b
(b)
Figure 3: Contrast-enhanced T1-weighted MR (upper) and 18F-FDG PET (lower) images in GB patients. MR images show a heterogeneous ring-like enhanced lesion in the right frontal lobe (a) and the splenium (b). PET images show a mild ring-like 18F-FDG uptake in the lesions.