55-year-old female with left knee pain. MENISCI: There is a radial tear of the posterior horn of the medial meniscus near its root. The anterior horn appears intact. The lateral meniscus appears intactARTICULAR CARTILAGE AND BONE: There is focal full thickness articular cartilage degeneration along the weightbearing surface of the medial femoral condyle. There is superficial fraying of the articular cartilage along the medial facet of the patella. There is a partial-thickness articular cartilage cleft along the lateral facet of the patella with delamination. There are tricompartmental osteophytes.LIGAMENTS: There is diffuse increased signal abnormality about the medial aspect of the MCL as well as within the proximal fibers of the superficial band of the MCL, indicating a sprain. The ACL and PCL appear intact. The LCL appears intact. EXTENSOR MECHANISM: The extensor mechanism appears intact.ADDITIONAL
1. Radial tear of the posterior horn of the medial meniscus, near its root, as described above.2. Osteoarthritis of the left knee with articular cartilage degeneration/clefts as described above.3. Sprain of the MCL.