53-year-old female with lateral meniscal sign positive on exam, knee pain. Evaluate for tear. MENISCI: There is intermediate signal intensity within the body of the lateral meniscus compatible with a radial tear. The medial meniscus is intact with no significant abnormalities noted.ARTICULAR CARTILAGE AND BONE: Bone marrow signal intensity is normal. The articular cartilage is intact. LIGAMENTS: The anterior and posterior cruciate ligament are normal in thickness and signal intensity. The medial and lateral collateral ligaments are also normal in thickness and signal intensity.EXTENSOR MECHANISM: Intact with no significant abnormality noted.ADDITIONAL
Findings compatible with a radial tear within the body of the lateral meniscus.