Reason: MCL sprain, medial meniscus tear History: LEFT KNEE PAIN MENISCI: There is deformity of the medial meniscus at the junction of the body and posterior horn with low signal intensity in the posteromedial gutter adherent to the peripheral fibers of the meniscus, likely representing a displaced flap fragment. The remainder of the posterior horn of the medial meniscus appears slightly attenuated with thin linear intrasubstance signal extending to the tibial articular surface, likely representing additional tearing. The anterior horn of the medial meniscus appears intact. The lateral meniscus appears intact.ARTICULAR CARTILAGE AND BONE: There is mild edema within the medial tibial plateau, beneath the torn body of the medial meniscus, which is likely degenerative in etiology. The articular cartilage of the medial tibial plateau subjectively appears diffusely thinned, but we see no focal fluid-filled defect. There is a small focus of degeneration of the articular cartilage of the medial facet of the femoral trochlea and minimal superficial degeneration of the articular cartilage of the lateral facet of the patella. LIGAMENTS: There is mild edema along the superficial band of the medial collateral ligament which could either represent a mild sprain or could relate to underlying medial compartment pathology described above. The lateral collateral ligament complex, anterior cruciate ligament and posterior cruciate ligament appear normal.EXTENSOR MECHANISM: The quadriceps and patellar tendons appear normal.ADDITIONAL
1.Tear of the medial meniscus as described above2.Mild edema along the MCL may reflect a mild sprain or simply be secondary to underlying medial compartment pathology.3.Other findings as described above. 