| A rare genetic malformation disorder with characteristics of cleft lip, with or without cleft palate, contractures of the lower extremities, abnormal external genitalia, syndactyly of fingers and/or toes, and a pyramidal skin fold over the hallux nail. Associated with mutations in the IRF6 gene (1q32.2-q32.3) which is involved in the formation of connective and epithelial tissues. Follows an autosomal dominant pattern of inheritance. |