Reason: Left knee meniscus tear History: Left knee pain and swelling MENISCI: There is a linear defect involving anterior horn of the lateral meniscus extending to the femoral articular surface, consistent with a horizontal tear. The medial meniscus is intact. ARTICULAR CARTILAGE AND BONE: Edema-type signal is seen within the medial femoral condyle and medial tibial plateau. There is a fluid-filled full-thickness defect within the patellar articular cartilage with subchondral cyst formation in the underlying patella. There is thinning of the articular cartilage of the bilateral tibial plateaus and bilateral femoral condyles but no focal full-thickness defect is seen.LIGAMENTS: There is disruption of the medial collateral ligament and surrounding edema type signal, consistent with tearing. The ligaments are otherwise intact. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1. MCL tear with underlying bone contusions.2. Horizontal lateral meniscal tear.3. Patellar osteoarthritis.