| Phenotype details |
see paper; ..., 14d-focal seizures; bilateral independent focal seizures, epileptic spasms (daily); EEG 2–9m slow background, hypsarrhythmia, multifocal discharges, focal seizures and epileptic spasms recorded; MRI brain 2m thin corpus callosum, enlarged extracerebral spaces, abnormal myelination more pronounced posteriorly, Rathke cleft cyst; global profound developmental delay, quadriparesis, generalized hypotonia, cortical blindness with roving eye movements, dysphagia; mild macrocytic anemia |