| Phenotype details |
failure to thrive, hypotonia, cleft palate, and developmental delay. Round face, bilateral blepharophimosis, ptosis, apparently low-set and short ears with overfolded helix, prominent crus helix and antihelix, stenotic external ear canals, hypertelorism, low nasal bridge, long philtrum, thin lip; vermilion, and dental anomalies. The proximal phalanx of the thumbs was long. No visceral malformation; was detected on ultrasound examinations. She had primary hypothyroidism. Hearing impairment found by auditory steady state responses (ASSR) was mild and she did not require hearing aids. Motor and intellectual; development was severely delayed. IQ 38, severe intellectual disability. Brain MRI revealed delayed myelination and disruption of tracts in the periventricular white matter [Szakszon et al., 2011]. At 4 years, the bony islands of the patellae have not yet appeared, consistent with delayed ossification. |