Boutonniere Deformity
Definition of Boutonniere Deformity: It is a deformity of the fingers or toes in which the proximal interphalangeal joint is flexed and the distal interphalangeal joint is hyper-extended. It’s also called a central slip injury. A boutonnière deformity (BD) may develop either in the acute setting (secondary to trauma) or progressively (secondary to arthritis). Which…








