title: Tooth fragment in a metacarpophalangeal joint.
abstract: A patient with septic arthritis and a retained tooth fragment in a metacarpophalangeal joint is described. The case illustrates the mechanism of the initial injury.
mesh_terms: D000328:Adult; D001170:Arthritis, Infectious / Q000000981:diagnostic imaging / Q000209:etiology*; D005384:Finger Joint / Q000000981:diagnostic imaging; D005547:Foreign Bodies / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D008297:Male; D008662:Metacarpophalangeal Joint / Q000000981:diagnostic imaging; D011859:Radiography; D014070:Tooth / Q000000981:diagnostic imaging