| Phenotype details |
see paper; ..., pregnancy unremarkable, birth-40w, weight 2.26kg (4th), OFC 34cm (50th); height 97cm (2nd), weight 15kg (2nd), OFC 47cm (-2, below 15th); mild-moderate global developmental delay, mild-moderate intellectual disability; no developmental regression; 2y-walk; current normal gross motor skills; ataxia; 1.5y-first speech, 3 words sentences; normal vision, no hearing loss; dysarthria; no dysmorphic features; mild cerebellar ataxia; central tone mild hypotonia; peripheral tone no hypotonia; no muscle atrophy; normal deep tendon reflexes; normal plantar response; no seizures; sudden attack unawareness for 24h, in PICU 48h; no Bruxism, tempered tantrum, aggressiveness, no stereotypy; MRI 1m/1y5m-bilateral incomplete hippocampal rotation, thin corpus callosum, slightly delayed myelination, choroidal plexus cysts left lateral ventricle/right temporal horn |