13-year-old female with right knee pain for 5 months. MENISCI: The lateral and medial menisci are intact and normal in appearance.ARTICULAR CARTILAGE AND BONE: There is a small focus of bone marrow edema affecting the medial intercondylar tubercle of the tibia. Otherwise, bone marrow signal intensity is normal. The articular cartilage is intact. No fracture.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 medial intercondylar tubercle of the tibia. 