A rare genetic syndromic intellectual disability characterised by several dysmorphic features, hypotonia, developmental delay, intellectual disability, behavioural problems, visual and hearing abnormalities, constipation, and feeding difficulties. Common dysmorphic features include coarse facies, broad forehead, synophrys, bushy eyebrows, deep-set eyes, downslanting palpebral fissures, epicanthus, depressed nasal bridge, bulbous nasal tip, posteriorly rotated ears, full cheeks, thin upper lip, inverted nipples and hirsutism. Behavioural problems tend to be dominated by attention deficit hyperactivity disorder, but anxiety, aggressive outbursts and autistic features may also present. [from
SNOMEDCT_US]