Jaccoud’s arthropathy: a rare but well-known clinical entity

Jaccoud arthropathy is a deforming non-erosive arthropathy characterized by ulnar deviation of the 2nd to 5th fingers with metacarpophalangeal joint subluxation that is correctable with physical manipulation [Mittermayer S, Viviane M. Jaccoud's arthropathy. N Engl J Med 2015;373:e1.]. It was traditionally described as occurring post-rheumatic fever but also seen in association with systemic lupus erythematosus, psoriatic arthritis, inflammatory...