26-year-old male with left knee pain, swelling and decreased range of motion. Evaluate for ligament injury. MENISCI: There is linear branching signal abnormality within the posterior horn of the medial meniscus which extends anteriorly into the body of the medial meniscus consistent with a complex tear with both vertical and horizontal components. The lateral meniscus appears intact.ARTICULAR CARTILAGE AND BONE: No full-thickness or near full-thickness articular cartilage defects are identified. No bone marrow signal abnormality is seen.LIGAMENTS: The cruciate and collateral ligaments appear intact EXTENSOR MECHANISM: The extensor mechanism appears intact.ADDITIONAL
Complex tear of the medial meniscus and joint effusion as described above.