| Phenotype details |
severe developmental delay; birth/prenatal-seizures; no refractory seizures; hypertonia; long palpebral fissures, shallow orbits, overlapping fingers; OFC 41.5 cm (-5.2 SD); dysgyria bilateral diffuse ( anterior>posterior); reduced white matter, enlarged lateral ventricles, hypoplastic corpus callosum, abnormal myelination in brainstem, dysmorphic hippocampus |