TABLE 2.
ID | Cerebellar signs | Onset to scan (years) | Midbrain atrophy | SCP atrophy | Cerebellar atrophy | Pontocerebellar cistern enlargement | Others |
---|---|---|---|---|---|---|---|
1 | Nystagmus | 4 | − | − | − | − | Mild frontoparietal atrophy |
2 | Dysmetria | 1 | + | + | + | − | − |
3 | Dysmetria | 2 | − | + | − | + | Mild frontoparietal atrophy |
6 | Nystagmus | n/a | − | − | − | − | Generalized atrophy |
9 |
Nystagmus, dysmetria |
2 | − | − | + | + | Pontine atrophy, putaminal signal reduction |
12 | Gait | 2 | + | − | − | − | − |
13 | Dysmetria | 5 | + | − | + | − | Frontal atrophy |
20 | Hypermetric saccades | 2 | − | − | − | − | Frontal atrophy |
24 | Nystagmus | 5 | (+ after 8 years) | + | − | − | Generalized atrophy |
Abbreviations: MRI: magnetic resonance imaging, SCP: superior cerebellar peduncle.