label: autosomal dominant popliteal pterygium syndrome
label_lc: autosomal dominant popliteal pterygium syndrome
description: "Autosomal dominant popliteal pterygium syndrome (AD-PPS) is a rare genetic malformative disorder characterized by 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."