Functional imaging and parkinsonian syndromes
| IPD | Striatum | Asymmetrical low F-dopa, FP-CIT, beta-CIT |
| Uptake (putamen < caudate) | ||
| Normal putamen FDG and D2 | ||
| Normal 1H-MRS NAA:Cr ratio | ||
| MSA | Striatum | Asymmetrical low F-dopa, FP-CIT, beta-CIT |
| Uptake (putamen < caudate) | ||
| Asymmetrical low putamen FDG and D2 | ||
| Low 1H-MRS NAA:Cr ratio | ||
| Cerebellum | Low FDG | |
| PSP | Striatum | Symmetrical low F-dopa, FP-CIT, β-CIT |
| Uptake (putamen = caudate) | ||
| Symmetrical low putamen and caudate FDG and D2 | ||
| Low 1H-MRS NAA:Cr ratio | ||
| Frontal | Low FDG (posterior < inferior) | |
| CBD | Striatum | Asymmetrical low F-dopa, FP-CIT, β-CIT |
| Uptake (putamen = caudate) | ||
| Low putamen and caudate FDG and D2 | ||
| Low 1H-MRS NAA:Cr ratio | ||
| Thalamic | Asymmetrical low FDG | |
| Cortical | Asymmetrical low FDG inferior parietal and posterior frontal |