Reason: meniscus injury History: pain and swelling MENISCI: There is a complex tear of the posterior horn of the medial meniscus including a large horizontal and longitudinal component which extends to both the tibial and femoral articular surfaces. The lateral meniscus appears intactARTICULAR CARTILAGE AND BONE: There is blistering of the articular cartilage along the medial facet of the patella. There is relative sparing of the articular cartilage along the medial and lateral tibiofemoral compartments. No bone marrow signal abnormality is identified.LIGAMENTS: The cruciate and collateral ligaments appear intact. EXTENSOR MECHANISM: The extensor mechanism appears intact.ADDITIONAL
1. Complex tear of the medial meniscus with both longitudinal and horizontal components.2. Moderate-sized joint effusion and Baker's cyst. Other findings as described above.