title: Fracture of the ulnar sesamoid of the metacarpophalangeal joint of the thumb--an arthrographic study.
abstract: We report a case of fracture of the ulnar sesamoid of the metacarpophalangeal joint of the thumb. The role of arthrography and stress X-rays in delineating the pathological anatomy of this injury is discussed.
mesh_terms: D000293:Adolescent; D001265:Athletic Injuries / Q000000981:diagnostic imaging*; D005383:Finger Injuries; D005538:Football; D050723:Fractures, Bone / Q000000981:diagnostic imaging* / Q000628:therapy; D006801:Humans; D008297:Male; D008662:Metacarpophalangeal Joint / Q000000981:diagnostic imaging / Q000293:injuries*; D011859:Radiography; D012716:Sesamoid Bones / Q000000981:diagnostic imaging / Q000293:injuries*; D013165:Splints; D013933:Thumb / Q000000981:diagnostic imaging / Q000293:injuries*; D014457:Ulna / Q000000981:diagnostic imaging