title: Congenital ball-and-socket ankle joints and related lower extremity malformations.
mesh_terms: D000843:Ankle Joint / Q000002:abnormalities*; D006801:Humans; D007870:Leg Length Inequality / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010003:Osteoarthritis / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography; D013997:Time Factors