50-year-old female with left knee pain. MENISCI: Note is made of linear signal abnormality which traverses the posterior horn of the medial meniscus and extends to the tibial and femoral articular surfaces, consistent with a vertical tear. The anterior horn appears intact. The lateral meniscus appears intact.ARTICULAR CARTILAGE AND BONE: There is focal full-thickness articular cartilage degeneration along the weightbearing surface of the medial femoral condyle above the posterior horn of the meniscus. There is subjective thinning of the articular cartilage of the lateral compartment. There is full-thickness articular cartilage degeneration along the medial facet of the patella with underlying subchondral signal abnormality. There is a near full-thickness articular cartilage fissure along the median eminence of the patella.LIGAMENTS: The cruciate and collateral ligaments appear intact. EXTENSOR MECHANISM: The extensor mechanism appears intact.ADDITIONAL
Tearing of the medial meniscus and articular cartilage degeneration as described above. Small joint effusion.