Left knee pain MENISCI: There is a vertical tear of the posterior horn of the medial meniscus which extends to the inferior articular surface. Signal irregularity is also noted in the posterior horn of the medial meniscus which may reflect a small radial tear.ARTICULAR CARTILAGE AND BONE: Bony contusions are present within the lateral femoral condyle and posterolateral tibial plateau. Additional contusion is seen within the posteromedial tibial plateau and medial femoral condyle.LIGAMENTS: The ACL is ruptured. There is buckling and partial tearing of the lateral collateral ligament. The remaining ligamentous structures are intact. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1. Ruptured ACL with at least partial tearing of the lateral collateral ligament.2. Vertical tear of the posterior horn of the lateral meniscus with findings suspicious for a small radial tear of the posterior horn of the medial meniscus.3. Bony contusions of the femoral condyles and tibial plateau.4. Moderate suprapatellar joint effusion.