54 male with right knee pain and swelling. Evaluate for chondral injury. MENISCI: No meniscal tear is identified.ARTICULAR CARTILAGE AND BONE: There is generalized thinning of the lateral patellar cartilage. The cartilage otherwise appears intact. Small subchondral cyst/mild bone marrow edema is seen in the lateral tibial plateau and medial facet of the patella. Note is also made of a benign enchondroma in the distal femoral metaphysis.LIGAMENTS: No evidence of ligamentous injury.EXTENSOR MECHANISM: No evidence of injury to the extensor mechanism.ADDITIONAL
Degenerative changes without evidence of acute injury.