Identification of Posterior Cruciate Ligament Avulsion using Dual Energy CT

Patrick McLaughlin, MD, Paul Mallinson, MD, Hugue Ouellette, MD, Savvas Nicolaou, MD
Department of Radiology, Vancouver General Hospital and University of British Columbia Vancouver, British Columbia, Canada

A 41-year-old male patient was transported by emergency services to a level one trauma center, after a high speed, head on, motor vehicle collision. The patient was a passenger and, despite being restrained at the time of collision, suffered significant dashboard contact. Clinical examination revealed increased anterior translation of the left knee.