Male 14 years old Reason: R knee cartilage injury vs. ligament tear History: R knee swelling MENISCI: The medial and lateral menisci are intact.ARTICULAR CARTILAGE AND BONE: No articular cartilage defect. No abnormal signal within the bone. No evidence of osseous contusion. Apparent bone island is present within the medial femoral condyle near the physis.LIGAMENTS: The ACL, PCL, MCL, and lateral collateral complex are intact. No abnormal signal within the posterior lateral corner. EXTENSOR MECHANISM: Extensor mechanism is intact. No abnormal joint effusion.ADDITIONAL
Medial fluid collection separate from the joint likely represents a small Morel Lavelle injury.