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Medical Definition of Jaccoud's arthropathy
1. A rare form of chronic arthritis, reported to occur after attacks of acute rheumatic fever, characterised by an unusual form of bone erosion of the metacarpal heads and by ulnar deviation of the fingers; it resembles rheumatoid arthritis, but with less overt inflammation, and rheumatoid factor is absent. Synonym: Jaccoud's arthropathy. (05 Mar 2000)