MR-IMAGING OF THE KNEE LIGAMENTS AND THE POSTOPERATIVE KNEE

MR imaging is a common, accurate, and cost-effective diagnostic study in the evaluation of internal derangement of the knee. Ligamentous dis ruptions are an important component of knee injuries and require accur ate clinical assessment and imaging for optimal management. For the ra diologist, this requires knowledge of normal anatomy, technical detail s regarding MR imaging, normal and abnormal MR findings, and the clini cal significance of the results of these injuries. This article discus ses the MR imaging evaluation of knee ligament injuries, anterior cruc iate Ligament. reconstruction, and the clinical relevance of the MR im aging findings.