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Boutonniere deformity
Etiology:
- rheumatoid arthritis
Epidemiology:
- less common than swan-neck deformity
Clinical manifestations:
- persistent flexion of the proximal interphalangeal joint with hyperextension of the distal interphalangeal joint
Related
rheumatoid arthritis (RA)
General
sign/symptom
References
Guide to Physical Examination & History Taking, 6th edition,
Bates B, JB Lippincott, Philadelphia, 1995, pg 481