Boutonniere deformity

Boutonniere deformity is one of the musculoskeletal manifestations of rheumatoid arthritis in the hand with:

  • flexion contracture of the proximal interphalangeal (PIP) joints
  • extension of the distal interphalangeal (DIP) joints 

The defect appears in the tendon which splays open. The appearance apparently reminded (presumably French-speaking) surgeons of a buttonhole.

History and etymology

"Boutonniere" is French for buttonhole.

Arthritides
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Article information

rID: 21573
Section: Signs
Synonyms or Alternate Spellings:
  • Boutonniere deformities

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