Abstract
Injury to the central slip of the extensor tendon may occur with open and also with closed injuries, such as volar dislocation of the proximal interphalangeal (PIP) joint. For adequate treatment, it is necessary to identify all injured structures. Without appropriate primary management, the patient is likely to develop asubacute to chronic posttraumatic boutonnière deformity. Afixed boutonnière deformity requires recovery of joint mobility. Once joint mobility is achieved, secondary surgical reconstruction of the central slip can be performed with atendon transfer or atendon transplant.
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