9-year-old male patient with history of knee injury. MENISCI: The lateral and medial menisci are intact.ARTICULAR CARTILAGE AND BONE: No focal chondral defect.LIGAMENTS: The anterior cruciate ligament, posterior cruciate alignment, medial collateral ligament, lateral collateral ligament complex, and patellar retinacula are intact.EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
Findings compatible with a Morel Lavallee lesion in the medial left knee.