Dorsal locking of the metacarpophalangeal joint.
Many causes for metacarpophalangeal joint locking have been documented. However nearly all are from volar entrapment of periarticular structures. The following case, unlike those previously reported in the literature, was one with locking caused by dorsal entrapment. The differences in presentation and its importance to subsequent treatment are highlighted.
D000368:Aged; D005383:Finger Injuries / Q000209:etiology*; D006801:Humans; D008297:Male; D008662:Metacarpophalangeal Joint; D013708:Tendon Injuries