EXAM:,MRI LEFT KNEE,CLINICAL:,This is a 41 -year-old-male with knee pain, mobility loss and swelling. The patient had a twisting injury one week ago on 8/5/05. The examination was performed on 8/10/05,FINDINGS:,There is intrasubstance degeneration within the medial meniscus without a discrete surfacing tear.,There is intrasubstance degeneration within the lateral meniscus, and there is a probable small tear in the anterior horn along the undersurface at the meniscal root.,There is an interstitial sprain/partial tear of the anterior cruciate ligament. There is no complete tear or discontinuity, and the ligament has a celery stick appearance.,Normal posterior cruciate ligament.,Normal medial collateral ligament.,There is a sprain of the femoral attachment of the fibular collateral ligament, without complete tear or discontinuity. The fibular attachment is intact.,Normal biceps femoris tendon, popliteus tendon and iliotibial band.,Normal quadriceps and patellar tendons.,There are no fractures.,There is arthrosis, with high-grade changes in the patellofemoral compartment, particularly along the midline patellar ridge and lateral facet. There are milder changes within the medial femorotibial compartments. There are subcortical cystic changes subjacent to the tibial spine, which appear chronic.,There is a joint effusion. There is synovial thickening.,IMPRESSION:,Probable small tear in the anterior horn of the lateral meniscus at the meniscal root.,Interstitial sprain/partial tear of the anterior cruciate ligament.,Arthrosis, joint effusion and synovial hypertrophy.,There are several areas of focal prominent medullary fat within the medial and lateral femoral condyles.orthopedic, mri left knee, interstitial sprain/partial tear, anterior cruciate ligament, lateral meniscus, cruciate ligament, synovial, mri, meniscus, sprain/partial, cruciate, knee, ligament