16 year-old male with knee injury MENISCI: Complex tear of the posterior horn of the medial meniscus with horizontal and vertical components. Vertical signal abnormality within the posterior horn of lateral meniscus extending from the attachment of the meniscofemoral ligament laterally consistent with a vertical longitudinal tear of the posterior horn. ARTICULAR CARTILAGE AND BONE: There are small contusions within the posterolateral tibial condyle and anterolateral femoral condyle. The articular cartilage is intact.LIGAMENTS: The ACL is torn. The PCL is intact. The MCL appears normal. The lateral collateral ligament complex is intact. EXTENSOR MECHANISM: Intact.ADDITIONAL
1. ACL tear with kissing contusions in the posterolateral tibial and anterolateral femoral condyles.2. Complex tear of the posterior horn of the medial meniscus and vertical longitudinal tear of the posterior horn of lateral meniscus ("Wrisberg rip"). 3. Large joint effusion.