Male 13 years old medial tibial plateau fracture. MENISCI: The medial and lateral menisci appear intact however a small meniscal tear may not be visualized.ARTICULAR CARTILAGE AND BONE: There is a fracture extending from the medial to lateral inferior to the tibial spines. On the sagittal images there is a 4 mm step-off with the fracture fragment elevated relative to the tibial plateau. Edema is present along the lateral articular surface of the femur and in the posterior lateral tibial epiphysis. The articular cartilage appears intact.LIGAMENTS: The anterior and posterior cruciate ligaments are intact. The medial collateral ligament and lateral collateral ligament complex are intact. EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
ACL avulsion fracture. Large hemarthrosis.