17-year-old female with knee pain swelling and instability status post fall. MENISCI: There is a vertical tear of the posterior horn of the lateral meniscus. The anterior horn of the lateral meniscus and medial meniscus are intact.ARTICULAR CARTILAGE AND BONE: Bone contusions are present in the lateral femoral condyle and lateral tibial plateau. There is no fracture and articular cartilage is intact. LIGAMENTS: There is complete disruption of the fibers of the anterior cruciate ligament. The posterior cruciate, medial collateral and lateral collateral ligaments are intact. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
Complete tear of the ACL with associated vertical tear of the posterior horn of the lateral meniscus ("wrisberg rip") and kissing bone contusions of the lateral femoral condyle and tibial plateau. 