67-year-old female presents with left knee pain, evaluate for lateral meniscus tear. MENISCI: No significant abnormality noted.ARTICULAR CARTILAGE AND BONE: There is generalized thinning of the patellar cartilage, however, no focal defects are identified. Ill-defined T1 hypointense, T2 hyperintense lesion within the proximal tibia just inferior to the articular surface is most consistent with an endochondroma.LIGAMENTS: The ACL, PCL, MCL, and LCL complex are intact.EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
Small joint effusion with otherwise normal-appearing menisci, cartilage, and ligaments.