title: Pathogenesis and differential diagnosis of the swan-neck deformity.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications; D005385:Fingers / Q000002:abnormalities*; D006227:Hand Deformities, Acquired / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000150:complications; D012213:Rheumatic Fever / Q000150:complications