46-year-old female with knee pain. MENISCI: There is an oblique vertical tear of the posterior horn of the medial meniscus. The tear does not appear to extend through the entire width of the meniscus. There is perhaps mild undersurface fraying of the body of the meniscus, but the anterior horn appears intact. The lateral meniscus appears intact.ARTICULAR CARTILAGE AND BONE: We see no discrete articular cartilage defects. The bone marrow signal intensity is normal.LIGAMENTS: There is mild edema superficial to the MCL and posterior oblique ligament which may represent a mild sprain, but we see no tear. The PCL appears intact. The ACL appears intact. The LCL appears intact.EXTENSOR MECHANISM: The extensor mechanism appears intact.ADDITIONAL
1. Oblique tear of the posterior horn of the medial meniscus.2. Femoral trochlear dysplasia with borderline tibial tubercle to trochlear groove distance.3. Mild edema along the MCL and posterior oblique ligament may represent a mild sprain, but we see no frank tear.