52-year-old female presents with left knee pain. MENISCI: Intermediate signal intensity within the posterior horn of the lateral meniscus with extension to the articular surface and an accompanying parameniscal cyst is compatible with a lateral meniscus tear. The anterior horn of the lateral meniscus demonstrates intermediate signal intensity which does not fully extend to the articular surface and likely reflects myxoid degeneration. The medial meniscus is unremarkable in appearance.ARTICULAR CARTILAGE AND BONE: No significant abnormality noted.LIGAMENTS: The anterior cruciate ligament, posterior cruciate ligament, medial collateral ligament, and lateral collateral ligament complex are intact. EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
Tear of the posterior horn of the lateral meniscus with an adjacent parameniscal cyst