| Phenotype details |
see paper; ..., 1d-focal seizures; bilateral independent focal motor seizures with impaired awareness, focal to bilateral tonic-clonic (weekly); EEG 7−10y slow background, multifocal discharges, focal seizures recorded; MRI brain 6y, 10y thin corpus callosum, multifocal white matter abnormalities, ventricular asymmetry, progressive cerebellar atrophy; global profound developmental delay, ataxic gait, lower limb hypertonia, nystagmus; mild abnormalities of red blood cells, mean corpuscular hemoglobin, mean corpuscular volume |