73 year old female with right knee pain, worse with weightbearing and up/down stairs. MENISCI: There is a tear within the posterior horn of the medial meniscus extending into the body obliquely with extension to the superior and inferior articular surface and extension to the anchor. There is fraying of the inner edge of the meniscus. The lateral meniscus appears grossly normal.ARTICULAR CARTILAGE AND BONE: Moderate degenerative changes affect the knee with joint space narrowing, osteophyte formation and generalized articular cartilage thinning. There is inhomogeneity of the articular cartilage along the lateral facet of the patella without focal defects. There is subchondral bone marrow edema within the medial tibial plateau which may represent a contusion.LIGAMENTS: The cruciate and collateral ligaments appear grossly normal.EXTENSOR MECHANISM: The extensor mechanism appears normal.ADDITIONAL
1. Tear of the posterior horn of the medial meniscus as described above. 2. Moderate degenerative changes about the knee with associated articular cartilage thinning.