Aphalangy-syndactyly-microcephaly is an extremely rare malformation syndrome characterized by the association of partial distal aphalangia with syndactyly, duplication of metatarsal IV, microcephaly, and mild intellectual disability. The disease is aphalangy-syndactyly-microcephaly syndrome (MONDO_0010882). Also known as: Aphalangia, partial, with syndactyly and Duplication of metatarsal type 4.