53-year-old male with left knee pain MENISCI: There is an oblique flap tear involving the body and posterior horn of the medial meniscus extending to the tibial articular surface. The lateral meniscus is intact.ARTICULAR CARTILAGE AND BONE: No abnormal marrow signal. Mild partial thickness (greater than 50%) fissuring along the lateral patellar facet without underlying marrow changes. The trochlear cartilage is intact. The cartilage in the medial and lateral compartments is intact. Small tricompartmental osteophytes are present.LIGAMENTS: The ACL and PCL is intact. Lateral collateral ligament complex is intact. There is small amount of fluid surrounding the MCL which may suggest a grade 1 sprain.EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
1.Medial meniscal tear.2.Grade 1 sprain of the MCL.