Lunate and perilunate dislocations.

Lunate and perilunate dislocations are uncommon, but devastating carpal injuries, which, if unrecognized in the emergency department and not treated promptly, lead to a high incidence chronic wrist pain and long-term functional disability. In this case report, we will review the wrist joint anatomy as pertaining to these injuries, mechanism of injury, signs and symptoms, radiological findings, and treatment of such injuries.