49-year-old female with right knee pain, meniscus tear MENISCI: Degenerative tearing of the posterior horn of the medial meniscus with mild extrusion. The lateral meniscus is within normal limits.ARTICULAR CARTILAGE AND BONE: Grade 3-4 chondromalacia of the medial tibiofemoral compartment with subchondral sclerosis and edema type signal in the medial tibial plateau and medial femoral condyle. Grade 2-3 chondromalacia of the lateral tibiofemoral compartment. Grade 3-4 chondromalacia of the patellofemoral compartment, particularly along the inferior aspect of the medial facet where there is subchondral cyst formation.LIGAMENTS: The cruciate ligaments are intact. The collateral ligaments are intact.EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
1.Severe osteoarthritis affects the right knee worst at the medial tibiofemoral compartment.2.Degenerative tearing of the posterior horn of the medial meniscus with mild extrusion.3.Large joint effusion and a Baker's cyst.