Perinatal insult | 25 /41 (60.9%) |
Congenital | 11/41 (26.8%) |
Chiari malformation II (2 patients) Chiari II malformation with bilateral subependymal gray matter heterotopia. Dandy walker variants. Arteriovenous malformation (AVM) (2 patients) Large cisterna magna communicating with the 4th ventricle. Left frontal insular cortical dysplasia Extensive cerebral white matter cystic changes. Severe cerebral malformation with pachygyria. Extensive polymicrogyria.
| |
TraumaticMassive parenchymal, subarachnoid, and intraventricular hemorrhage with small subdural hematoma. Bilateral subdural hematoma. Concussion / fracture (2 patients)
| 4/41 (9.8%) |
Brain tumor | 1 /41 (2.4%) |