| Phenotype details |
see paper; ..., no abnormalities during pregnancy; birth 39w; profound intellectual disability; developmental delay, able to coo, whimper and laugh; motor delay, not able to sit; speech delay, no speech; epilepsy, epileptic encephalopathy, generalized epilepsy, about 1 seizure per month, 14y-deceased in status epilepticus; EEG abnormal; hypotonia; spasticity congenital, with progressive contractures of lower limbs and scoliosis; ataxia, not able to sit; hand stereotypies; MRI brain bilateral ventricular enlargement with cortical atrophy; no regression, but almost no progression; hyporeflexia but spasticity, myoclonias of mouth and eyelids; facial dysmorphisms; amelogenesis imperfecta suggestive of Kohlschutter Tonz syndrome, 3-4y-1st tooth, delayed eruption, yellow teeth; scoliosis; multiple pneumopathies; dry skin; no neoplasms |