Table 3.
MRI Findings of Children With Ataxic CP in the SCPE Common Database (Birth Years 1980–2010), Specifying Cerebellar Pathology in A and D (Cerebellar and Posterior Fossa Pathology Indicated by *)
| MRI classification system (MRICS), n (%) | n = 221 |
| A. Maldevelopments | 63 (28.5) |
| A1. Disorders of cortical formation | 8 |
| A2. Other maldevelopments | 42 |
| Cerebellar hypoplasia* | 21 |
| Dandy-Walker malformation* | 5 |
| Pontocerebellar hypoplasia* | 3 |
| Other posterior fossa anomalies, septo-optic dysplasia, molar tooth sign* | 8 |
| Corpus callosum agenesis | 5 |
| A. Not otherwise specified | 13 |
| B. Predominant white matter injury | 29 (13.1) |
| B1. Periventricular leukomalacia, PVL | 9 |
| B2. Sequelae of intraventricular hemorrhage or periventricular hemorrhagic infarction | 3 |
| B3. Combination of PVL and IVH sequelae | 1 |
| B. Not otherwise specified | 16 |
| C. Predominant gray matter injury | 13 (5.9) |
| C1. Basal ganglia/thalamus lesions | 4 |
| C2. Corticosubcortical lesions only | 2 |
| C3. Arterial infarctions | 2 |
| C. Not otherwise specified | 5 |
| D. Miscellaneous | 52 (23.5) |
| Cerebellar atrophy* | 19 |
| Cerebral atrophy | 10 |
| Cerebellar lesions* | 2 |
| Infections or hemorrhage not covered under B or C | 3 |
| Brain injury not further specified | 3 |
| Ventricular dilatation, calcifications, other nonspecific descriptions | 13 |
| No description | 2 |
| E. Normal | 64 (29.0) |