Reason: Left knee pain x several years, anterior and medial evaluate for medial meniscus tear vs chondral injury History: left knee pain MENISCI: There is intrasubstance degeneration of the posterior horn of the medial meniscus. Some of this increased signal abnormality extends to the tibial articular surface consistent with superficial fraying/degenerative tearing. No fluid-filled tear is evident. The lateral meniscus appears intact.ARTICULAR CARTILAGE AND BONE: Note is made of full-thickness articular cartilage degeneration along the medial facet of the patella with underlying degenerative subchondral signal and cyst formation. There is articular cartilage degeneration along the medial facet of the femoral trochlea and median eminence of the patella. There is full-thickness articular cartilage degeneration/defect along the lateral femoral condyle anteriorly best seen on image 12 of sagittal series 901. There is relative sparing of the articular cartilage of the medial tibiofemoral compartment.LIGAMENTS: The cruciate and collateral ligaments appear intact. EXTENSOR MECHANISM: The extensor mechanism appears intact. There is no evidence of patellar alta. There is increased signal abnormality within the proximal patellar tendon indicating mild patellar tendinosis. There is a small amount of fluid within the deep infrapatellar bursa.ADDITIONAL
1. Osteoarthritis of the left knee with full-thickness articular cartilage degeneration most pronounced along the patellofemoral compartment.2. Intrasubstance degeneration of the medial meniscus and superficial fraying without evidence of an unstable tear.3. Findings suggestive of a mild patellar tendinosis.