Prevalence of each image finding by visual interpretation of SWI in each group
| Imaging Finding | MSA-p | IPD | Healthy Control |
|---|---|---|---|
| No. | 27 | 50 | 27 |
| Putaminal atrophy | |||
| Suspicious | 3 (11.1%) | 0 | 0 |
| Definite | 11 (40.7%) | 0 | 0 |
| Putaminal signal intensity | |||
| Hyperintense | 10 (37.0%) | 24 (48.0%) | 15 (55.6%) |
| Isointense | 3 (11.1%) | 22 (44.0%) | 10 (37.0%) |
| Hypointense | 2 (7.4%) | 4 (8.0%) | 2 (7.4%) |
| Markedly hypointense | 12 (44.4%) | 0 | 0 |
| Hot-cross bun sign | 2 (7.4%) | 0 | 0 |
| High signal intensity of middle cerebellar peduncle | |||
| Suspicious | 3 (11.1%) | 0 | 0 |
| Definite | 1 (3.7%) | 0 | 0 |
| Cerebellar atrophy | |||
| Suspicious | 11 (40.7%) | 10 (20.0%) | 0 |
| Definite | 3 (11.1%) | 0 | 0 |