Female 68 years old with right knee pain concerning for meniscal tear. MENISCI: There is a complex tear of the posterior horn and body of the medial meniscus with vertical and horizontal component. The vertical component extends to the inferior articular surface (series 101, image 9) and the horizontal component extends through the body. The anterior horn of the medial meniscus and the lateral meniscus are intact.ARTICULAR CARTILAGE AND BONE: There is near complete loss of the patellar cartilage with extensive associated marrow edema. The trochlear cartilage is thinned but without full thickness defect. In the medial and lateral compartments the cartilage of the femoral condyles is thinned but no full-thickness cartilage defects are visualized. A few small foci of marrow edema are seen in the medial femoral condyle. There are large patellofemoral compartment osteophytes, small osteophytes are seen in the medial and lateral compartments.Other than reactive marrow changes described above bone marrow signal intensity is within normal limits.LIGAMENTS: The cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
1.Complex tear of the posterior horn and body of the medial meniscus contacting the inferior articular surface.2.Severe chondromalacia in the patellofemoral compartment.3.Moderate joint effusion.