Boutonniere Deformity.

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Abstract

Conflict of interest statement: Disclosure: Bryan Beutel declares no relevant financial relationships with ineligible companies. Disclosure: Justin Binstead declares no relevant financial relationships with ineligible companies. Disclosure: Dawood Tafti declares no relevant financial relationships with ineligible companies. 3. Hand Clin. 1995 Aug;11(3):387-402. Boutonniere deformity. Coons MS(1), Green SM. Author information: (1)Hospital for Joint Diseases Orthopedic Institute, New York, New York, USA. The boutonniere (French for button hole) deformity is a result of an injury to the finger extensor mechanism that causes a characteristic flexion attitude of the proximal interphalangeal joint and distal interphalangeal joint hyperextension. This article reviews the pertinent anatomy, the mechanisms of injury, the diagnosis, and a systematic approach to the prevention and treatment of the boutonniere deformity.