11-year-old male patient with right knee injury with pain for 10 days. Radiograph is normal. Question of ligament injury. MENISCI: The medial and lateral menisci are intact.ARTICULAR CARTILAGE AND BONE: A minimal amount of edema seen within the posterior aspect of the medial tibial plateau and medial aspect of the medial femoral condyle. The articular cartilage of all three compartments is intact without focal chondral defect.LIGAMENTS: There is slightly increased signal surrounding the medial collateral ligament without thickening compatible with a grade I strain. The lateral collateral ligament complex and the cruciate ligaments are intact. EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
Medial compartment bone contusions with grade I strain of the MCL.