13-year-old female right knee pain and swelling. Patient injured knee, heard a pop, immediate swelling. Evaluate for chondral injury patella vs lateral meniscus tear. MENISCI: Medial and lateral menisci are intact without evidence of a tear.ARTICULAR CARTILAGE AND BONE: Bone marrow signal intensity is within normal limits without evidence of contusion or fracture. Increased signal intensity of the medial and lateral patellar facet articular cartilage near the median eminence with superficial fissuring; no full thickness defect.LIGAMENTS: Cruciate and collateral ligaments are intact.EXTENSOR MECHANISM: The patellar and quadriceps tendons are intact.ADDITIONAL
Chondromalacia patella with superficial fissuring but no full thickness defect.