title: An unusual variety of skier's thumb.
abstract: An unusual thumb injury with an avulsion of the ulnar collateral ligament of the metacarpophalangeal joint and simultaneous dislocation of the carpometacarpal joint is presented. Immediate repair of the ruptured structures at both joints produced a satisfactory result.
mesh_terms: D000328:Adult; D001265:Athletic Injuries / Q000209:etiology*; D005383:Finger Injuries; D006801:Humans; D004204:Joint Dislocations / Q000209:etiology*; D008023:Ligaments, Articular / Q000293:injuries*; D008297:Male; D008662:Metacarpophalangeal Joint / Q000293:injuries*; D012865:Skiing; D013933:Thumb / Q000293:injuries*