20-year-old female with right knee pain. MENISCI: There is globular intermediate signal intensity within the body of the posterior horn of the medial meniscus. There is equivocal mild fraying of the undersurface posterior horn of the medial meniscus, but we see no discrete tear. The lateral meniscus appears intact.ARTICULAR CARTILAGE AND BONE: The articular cartilage and bone marrow signal intensity are normal.LIGAMENTS: The cruciate and collateral ligaments appear intact. EXTENSOR MECHANISM: The extensor mechanism appears intact.ADDITIONAL
1. Edema between the iliotibial band and lateral femoral condyle suggesting iliotibial band friction syndrome.2. Intrasubstance degeneration of the medial meniscus and equivocal minimal undersurface fraying, but no discrete meniscal tear is noted.