Acrocallosal Syndrome

**Definition:** Autosomal recessive syndrome characterized by hypogenesis or agenesis of CORPUS CALLOSUM. Clinical features include MENTAL RETARDATION; CRANIOFACIAL ABNORMALITIES; digital malformations, and growth retardation.

**Tree numbers:** - C10.500.034.500 - C16.131.666.034.500

**Synonyms:** - Hallux Duplication, Postaxial Polydactyly, and Absence of Corpus Callosum