61-year-old female with medial sided left knee pain. MENISCI: Mild intrasubstance degeneration of the posterior horn of the medial meniscus. No evidence of meniscal tear.ARTICULAR CARTILAGE AND BONE: There is mild thinning of the cartilage along the anterior femoral head. There is no full-thickness tear. There is fissuring along the medial ridge of the patella. Full-thickness loss is present along the medial facet of the patella.LIGAMENTS: No significant abnormality noted. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
Synovitis with a moderate joint effusion and debris within the joint. This could represent synovial chondromatosis or less likely pigmented villonodular synovitis.