Hypertelorism-microtia-facial clefting syndrome, or HMC syndrome, is a very rare syndrome characterized by the combination of hypertelorism, cleft lip and palate and microtia.Last update: March 2010
Nine cases have been reported in the literature in seven families.
Some patients have associated cardiac or renal congenital malformations. Short stature and intellectual deficiency are common.
Antenatal diagnosis is possible by ultrasonographic monitoring.
The reported cases support autosomal recessive inheritance.