A rare genetic syndromic intellectual disability affecting males with characteristics of short stature, mild to moderate intellectual deficits, craniofacial dysmorphism (prominent broad ''square'' forehead, hypertelorism, depressed nasal bridge, broad nasal tip and anteverted nares) and early hypotonia present only until the age of 2. There have been no further descriptions in the literature since the original article in 1991 and it has been suggested that this condition represents an example of FG syndrome. [from SNOMEDCT_US]