Table 3

- Etiology of structural seizures in 41 patients.

Causen (%)
Perinatal insult25 /41 (60.9%)
Congenital11/41 (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.

 
Traumatic

  • Massive parenchymal, subarachnoid, and intraventricular hemorrhage with small subdural hematoma.

  • Bilateral subdural hematoma.

  • Concussion / fracture (2 patients)

4/41 (9.8%)
Brain tumor

  • Pilocytic astrocytoma

1 /41 (2.4%)