Pain after injury MENISCI: There is vertically oriented tearing through the posterior horn of the lateral meniscus near its interface with the ligament of Wrisberg. The popliteomeniscal fascicles are indistinct and likely torn. The body and anterior horn of the lateral meniscus are intact.There is complex, predominantly longitudinal tearing involving the peripheral third of the posterior horn and body of the medial meniscus which is seen on multiple sequential images. The anterior horn is intact.ARTICULAR CARTILAGE AND BONE: There is slight depression of the articular surface of the lateral femoral condyle just above the anterior horn of the lateral meniscus indicating an impaction fracture with associated marrow edema. Marrow edema is also evident in the lateral tibial plateau posteriorly indicating a bone contusion with small contrecoup contusions present in the medial femoral condyle and medial tibial plateau. There is a small partial-thickness articular cartilage defect of the medial femoral condyle just above the head of the posterior horn of the medial meniscus.LIGAMENTS: There is full-thickness rupture of the ACL. The PCL is intact. There is mild edema along the superior band of the MCL which may represent a sprain, but the ligament itself otherwise appears normal. The distal fibers of the anterolateral ligament are intact although more proximally they are indistinct which may represent tearing. The lateral collateral ligament complex otherwise appears intact.EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1. ACL rupture with associated bone contusions.2. Medial and lateral meniscal tears as detailed above.3. Additional findings described above.