Fig. 1.

Patterns of Cerebral glucose metabolism in Parkinsonism.

Shown are the images of regional 18F-FDG-PET cerebral metabolic patterns in Parkinsonism (hot body colour scale).

Normal cerebral uptake of glucose.

PD: relative hypermetabolism in the basal ganglia and hypometabolism in bilateral parietotemporal regions.

PSP: hypometabolism of the midline frontal lobes and midbrain.

MSA: hypometabolism of both cerebellar hemispheres.

DLB: hypometabolism in both occipital lobes.

CBD: hypometabolism of the right parietal, temporal and striatal regions.