Medial jointline pain and large effusion. Evaluate for internal derangement. MENISCI: The lateral and medial menisci are intact. ARTICULAR CARTILAGE AND BONE: The articular cartilage of all three compartments is intact. There is increased T2 signal within the bone marrow of the medial aspect of the medial tibial plateau and the lateral aspect of the lateral tibial plateau. Minimal bone marrow edema is also noted within the posterior aspect of the medial femoral condyle. No fracture is evident.LIGAMENTS: The collateral and cruciate ligaments are intact. EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
Bone marrow edema of the tibia and femur as described above with a large joint effusion. Intact menisci and ligaments. 