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Neurological abnormalities most commonly reported by parents in individuals with Emanuel syndrome
| Functional neurologic anomaly | Percentage |
|---|---|
| Developmental delay | 100 |
| Hypotonia | 65 |
| Seizures | 48 |
| Requiring anticonvulsants | 34 |
| Structural neurologic anomaly | |
| Microcephaly | 23 |
| Atrophy | 23 |
| Ventriculomegaly | 27 |
| Hydrocephalus | 11 |
| Requiring shunt placement | 6 |
| Absent or hypoplastic corpus callosum | 19 |
| White matter abnormalities | 19 |
| Dandy-Walker malformation | 8 |
| Chiari malformation (type unspecified) | 8 |
