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Palmar dislocation of the scaphoid and lunate as a unit.

dislocations are common wrist injuries. Perilunate injuries, as described by Mayfield,1 are most common and perhaps best understood. Disruption of the carpal ligaments or fractures of the carpal bones can occur in almost any combination. The injury occurs as a result of extreme hyperextension, ulnar deviation, and internal carpal supination. As the deforming force increases, the ligaments and bones are disrupted in a stereotyped sequence proceeding circumferentially around the lunate in a radial-to-ulnar direction. Most authors recommend open ligament repair for acute carpal dislocations to prevent late carpal collapse and joint degeneration.2-7 This article presents the first reported case of a scaphoid and lunate palmer dislocation treated by closed reduction and percutaneous pinning with 3-year follow-up.