37-year-old male with right knee pain. Evaluate for patellofemoral chondromalacia. MENISCI: The medial and lateral meniscus appear intact.ARTICULAR CARTILAGE AND BONE: There is focal full-thickness articular cartilage defect along the medial aspect of the medial facet of the patella with underlying subchondral signal abnormality. The lateral and medial compartments appear relatively spared. Multiple foci of subcentimeter low signal abnormality within the medial and lateral femoral condyle likely represent bone islands.LIGAMENTS: The cruciate and collateral ligaments appear intact. EXTENSOR MECHANISM: The extensor mechanism appears intact.ADDITIONAL
Focal full-thickness articular cartilage defect along the medial facet of the patella as described above.