The dislocated knee is a severe injury resulting from violent trauma. It results in disruption of at least three of the four major ligaments of the knee and leads to significant functional instability. Vascular and nerve damage, as well as associated fractures, may contribute to the challenge of caring for this injury. Historically, treatment was limited primarily to immobilization. However, with the advent of better surgical instrumentation and technique, the management of combined anterior and posterior cruciate ligament (ACL/PCL) tears associated with medial or lateral collateral ligament (MCL/LCL) disruption has become primarily surgical. This Special Focus Section addresses the initial evaluation and surgical treatment of the multiple ligament injured, or dislocated, knee.
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