| Percentage | Cases | |
|---|---|---|
| Gender | ||
| Male | 100.0% | 2/2 |
| Female | 0% | 0/2 |
| General | ||
| Birth Length abnormalities | 0% | 0/0 |
| Birth Weight abnormalities | 0% | 0/0 |
| Birth Head circumference abnormalities | 0% | 0/0 |
| Current Height abnormalities | 0% | 0/0 |
| Current Weight abnormalities | 0% | 0/0 |
| Current Head circumference abnormalities | 0% | 0/0 |
| Neurology | ||
| Neurological abnormalities | 100.0% | 1/1 |
| Nonprogressive cerebellar ataxia | 100.0% | 1/1 |
| Brain abnormality | 100.0% | 2/2 |
| Severe hydrocephalus | 100.0% | 2/2 |
| Aplasia/Hypoplasia of the cerebellum | 50.0% | 1/2 |
| Cerebellar hypoplasia | 50.0% | 1/2 |
| Dandy-Walker malformation | 50.0% | 1/2 |