Knee trauma: MR imaging

To assess the role of MRI in evaluation of patients suffering from trauma. The study was conducted on 30 patients who had history of knee trauma and subjected to MRI examination. MRI showed bone contusion or fracture in 27 patients, the commonest site was found in lateral femoral condyle followed by medial femoral condyle and intercondylar eminence of tibia. All patients showed soft tissue injuries, the commonest injury was knee effusion followed by tear of anterior cruciate ligament and medial meniscus. MRI is the imaging modality of choice to assess knee trauma. It showed bony, cartilaginous, ligamentous and soft tissue injuries. It could characterize the nature of post traumatic knee collections