21-year-old male with persistent right knee pain, positive McMurray after injury MENISCI: The menisci are intact.ARTICULAR CARTILAGE AND BONE: The articular cartilage is intact. No abnormal bone marrow signal.LIGAMENTS: The anterior cruciate ligament is intact. Diffuse signal abnormality within the posterior cruciate ligament is compatible with a tear. This may represent a stretching injury, as we see no frank transection. The medial collateral ligament is intact. The lateral collateral ligament complex is intact.EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
Abnormal signal intensity of the PCL compatible with a tear.