Phenotype details |
see paper (other patients); born at term, uneventful pregnancy, birth weight 3450g (50th), birth length 51cm (50th), OFC 36.5cm (90th); 9m-febrile seizures, generalised hypotonia, developmental delay; 11m-sit; 18y-weight 105kg, height 1.82m, OFC 60cm (>98th), facial appearance slightly dysmorphic, deeply set eyes, prominent chin; neurological examination normal, significantly mentally retarded, no autonomy (IQ 46), no reading; MRI-large ventricles without hydrocephalus, blunted appearance angle lateral ventricles, large cisterna magna without abnormality tentorium; female carriers mildly affected |