Female, 58 years old. Lateral joint line pain and locking MENISCI: There is a complex tear and degeneration of the posterior horn of the lateral meniscus as well as globular signal within the anterior horn of the lateral meniscus. The medial meniscus appears intact.ARTICULAR CARTILAGE AND BONE: There is thinning of the articular cartilage of the medial and lateral compartments. There is complete loss of the articular cartilage of the undersurface of the patella. There is bone marrow edema within the lateral tibial plateau.LIGAMENTS: The cruciate and collateral ligaments are unremarkable. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1.Severe osteoarthritis with cartilage loss most prominently affecting the undersurface of the patella.2.Complex tear of the lateral meniscus as above.3.Joint effusion with possible synovitis.