Group | Number of subjects | Seizure disorders (%)* | Malformations of cortical development (MCD) (%)†| Types of MCD |
---|---|---|---|---|
A (Agenesis) | 11 | 7 (63.6) | 6 (54.5) | Heterotopia (1), polymicrogyria (1), colpocephaly (3), schizencephaly (1), holoprosencephaly (1), porencephaly (1) |
H (Hypoplasia) | 47 | 19 (40.4) | 5 (10.6) | Focal cortical dysplasia (1), heterotopia (1), pachygyria (1), polygmicrogyria (1), schizencephaly (2) |
D (Dysgenesis) | 15 | 9 (60.0) | 9 (60.0) | Focal cortical dysplasia (2), holoprosencephaly (1), macrogyria/pachygyria (3), porencephaly (2), schizencephaly (1), heterotopia (1), polygmicrogyria(1) |