15-year-old female with left knee pain and instability. Evaluate for ACL tear. MENISCI: The lateral and medial menisci are intact and normal in appearance.ARTICULAR CARTILAGE AND BONE: There is focal abnormal high T2 bone marrow signal intensity within the lateral femoral condyle anteriorly. The remaining bone marrow signal intensity of the knee is normal. The articular cartilage is intact. LIGAMENTS: Anterior and posterior cruciate ligaments are intact. Medial collateral ligament and lateral collateral complex are intact. EXTENSOR MECHANISM: Quadriceps tendon and patellar tendon are intact.ADDITIONAL
Contusion of the lateral femoral condyle anteriorly.