| Phenotype details |
see paper; ..., 10d-apnoeic seizures; focal seizures onset with impaired awareness, focal to bilateral tonic-clonic, epileptic spasms (daily); EEG 2m–23m slow background, multifocal or generalized discharges with burst suppression, focal seizures recorded; MRI brain 2m thin corpus callosum, enlarged extracerebral spaces, diffusely abnormal myelination; global profound developmental delay, quadriparesis with generalized hypotonia, cortical visual impairment, nystagmus, dysphagia (percutaneous endoscopic gastrostomy 16m); macrocytic anemia, transfusion dependent |