Mondo Description An extremely rare autosomal recessive syndrome characterized by premature closure of cranial sutures leading to cone-shaped head, fusion of the digits, and the presence of more digits than normal. It may be associated with heart defects, single horseshoe-shaped kidney, short stature, undescended testes, and mild mental retardation.

Disease Ontology Description An acrocephalosyndactylia characterized by craniosynostosis, acrocephaly, obesity, syndactyly and polydactyly.