Table 1.
Etiology of epilepsies (N = 289)
| Genetic, N = 91 (32%) | |
| Genetic | |
| Chromosomal or gene abnormalities | 20 |
| Presumed genetic | |
| Epileptic encephalopathy | 5 |
| Generalized genetic epilepsies | 39 |
| Focal genetic epilepsy | 27 |
| Structural, N = 84 (29%) | |
| Malformation of cortical and brain development | 29 |
| Hypothalamic hamartoma | 1 |
| Tuberous sclerosis | 3 |
| Vascular malformation | 2 |
| Trauma | 7 |
| Perinatal insult | 35 |
| Stroke | 1 |
| Tumor | 5 |
| Angioma | 1 |
| Metabolic, N = 4 (1%) | |
| Congenital hyperinsulinism | 3 |
| 3‐methylglutaricaciduria | 1 |
| Infection, N = 9 (3%) | |
| Congenital infection | 2 |
| Encephalitis | 4 |
| Meningitis | 2 |
| Unspecified | 1 |
| Immunological, N = 0 (0%) | 0 |
| Unknown, N = 101 (35%) | 101 |