| Phenotype details |
see paper; ..., 2y-severe anaemia, occasional transfusions, episode of haemolysis triggered by infection8y-BM showed myelodysplastic syndrome with aplastic anaemia, haematopoiesis, chronic haemolysi; 4m-infantile spasms; 1y-generalized tonic seizures, focal motor with impaired awareness (daily); EEG 4m–12y hypsarrhythmia, then slow background, multifocal epileptiform discharges; MRI brain 4m, 2y, 10y thin corpus callosum, abnormal myelination, dysmorphic asymmetric lateral ventricles, enlarged extracerebral spaces, progressive widespread white matter abnormality, ventricular dilatation, cerebellar atrophy, and trabecular bone thickening; global profound developmental delay, quadriparesis, dysphagia (percutaneous endoscopic gastrostomy 12y); severe anemia requiring occasional transfusions |