Pain. Evaluate for Baker's cyst. MENISCI: Medial and lateral menisci are intact without evidence of a tear.ARTICULAR CARTILAGE AND BONE: Bone marrow signal intensity is within normal limits without evidence of a contusion or fracture. Articular cartilage of the tibiofemoral and patellofemoral compartments is intact. LIGAMENTS: There is edema along the medial collateral ligament posteriorly but the ligament itself appears intact. The ACL, PCL, and lateral collateral ligament complex are intact. EXTENSOR MECHANISM: Extensor mechanism is intact.ADDITIONAL
Findings compatible with rupture/leakage of a Baker's cyst.