| Phenotype details |
see paper; ..., no short stature; no macrocephaly; developmental delay; no speech, 4y-signing about 100 words; motor delay; Smile at 6 months, eye contact at 3 months; 8-9m-sit; 23m-walk; self-abusive, aggressive towards other children; no seizures; EEG normal; no nystagmus; no hypotonia; no spasticity; no rigor; no ataxia; brady-/hypokinesia, poor facial expression; dystonia, raises right arm and abducts shoulder; mild pulmonary valve stenosis; constipation; normal vision; moderate-severe bilateral sensorineural deafness, attends school the deaf; pectus carinatum, clinodactyly, pes planus; dysmorphic facial features; broad nasal bridge; small ear, overfolded helices, posteriorly roated ears, anteverted lobes; bilateral epicanthal folds, deep infraorbital creases, poor facial expression, deep voice, pectus carinatum, hypertelorism, right lateral incisor fused with first bicuspid, clinodactyly, high palate, small mouth |