MR Imaging of Acute Knee Injuries: Systematic Evaluation and Reporting.

Acute knee injury ranges among the most common joint injuries in professional and recreational athletes. Radiographs can detect joint effusion, fractures, deformities, and malalignment; however, MR imaging is most accurate for radiographically occult fractures, chondral injury, and soft tissue injuries. Using a structured checklist approach for systematic MR imaging evaluation and reporting, this article reviews the MR imaging appearances of the spectrum of traumatic knee injuries, including osteochondral injuries, cruciate ligament tears, meniscus tears and ramp lesions, anterolateral complex and collateral ligament injuries, patellofemoral translation, extensor mechanism tears, and nerve and vascular injuries.
Competing Interests: Disclosure B. Fritz has nothing to disclose. J. Fritz received institutional research support from Siemens AG, BTG International Ltd., United Kingdom, Zimmer Biomed, DePuy Synthes, QED, and SyntheticMR; is a scientific advisor for Siemens AG, SyntheticMR, GE Healthcare, QED, BTG, ImageBiopsy Lab, Boston Scientific, and Mirata Pharma; and has shared patents with Siemens Healthcare, Johns Hopkins University, and New York University.
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