Female 72 years old Reason: eval for possible right meniscus tear History: + McMurray with painful mechanical symptoms MENISCI: There is a complete degenerative tear of the lateral meniscus including the anterior horn, body and posterior horn. There is mild meniscal extrusion.The medial meniscus shows some intrasubstance degeneration in its posterior horn but no discrete tear is evident.ARTICULAR CARTILAGE AND BONE: Full-thickness cartilage loss involving the lateral compartment with subchondral marrow edema involving the lateral femoral condyle and lateral tibial plateau.In the medial compartment, there is diffuse chondral thinning and foci of full-thickness cartilage loss.Foci of cartilage loss involving the medial patellar facet.LIGAMENTS: The anterior and posterior cruciate ligaments are intact. The collateral ligaments and lateral collateral ligamentous complex are intact. EXTENSOR MECHANISM: There is mild prepatellar soft tissue swelling.ADDITIONAL
1.Degenerative tearing of the lateral meniscus with full-thickness cartilage loss in the lateral compartment.2.Joint effusion and synovitis.