Jaccoud arthropathy

Last revised by Rohit Sharma on 01 Apr 2021

Jaccoud arthropathy is a deforming non-erosive arthropathy characterized by ulnar deviation of the second to fifth fingers with metacarpophalangeal joint subluxation.

Jaccoud arthropathy is characterized by marked ulnar subluxation and deviation at the metacarpophalangeal joints that is correctable or reducible with physical manipulation 7.

It was traditionally described as occurring post-rheumatic fever. It is also seen in association with systemic lupus erythematosus (SLE) and other rheumatic and non-rheumatic conditions including psoriatic arthritis, inflammatory bowel disease and malignancy 5. It is thought to be related to ligamentous laxity 7.

Typically affects the metacarpophalangeal joints but can also affect the proximal interphalangeal joints of the hands, wrists and knees 2.

  • hand radiographs typically show marked ulnar subluxation and deviation at the metacarpophalangeal joints
  • absence of erosions is a notable feature, although occasionally hook erosions may be observed, which are similar to those seen in SLE and ankylosing spondylitis 6
  • evidence of muscle (soft tissue) atrophy also may be present

It is named after François-Sigismond Jaccoud, a French physician, who described the entity in 1869 3.

On imaging, possible considerations include:

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Cases and figures

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