13-year-old female with pain and mechanical symptoms in the left knee. MENISCI: The medial and lateral menisci are normal.ARTICULAR CARTILAGE AND BONE: Generalized thinning of the patellar cartilage is noted without focal defects. The articular cartilage within the lateral and medial tibiofemoral compartments is unremarkable. No bone marrow edema.LIGAMENTS: The cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
1.Generalized thinning of the patellar cartilage without focal defects. Findings may represent chondromalacia patella.2.No evidence of meniscal or ligamentous injury.