Meniscal Tears - 2
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Generally, when people injure a meniscus, they feel some pain, particularly when the knee is straightened. If the pain is mild, the person may continue moving. Severe pain may occur if a fragment of the meniscus catches between the femur and the tibia. Swelling may occur soon after injury if there is damage to blood vessels.
Swelling may also occur several hours later if there is inflammation of the joint lining (synovium). Sometimes, an injury that occurred in the past but was not treated becomes painful months or years later, particularly if the knee is injured a second time. After any injury, the knee may click, lock, feel weak, or give way. Although symptoms of meniscal injury may disappear on their own, they frequently persist or return and require treatment.
If your lifestyle is limited by the symptoms or the problem, the doctor may perform arthroscopic or open surgery to see the extent of injury and to remove or repair the tear. Most young athletes are able to return to active sports after meniscus repair.
Source: National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, U.S. Department of Health and Human Services. www.niams.nih.gov
Medial meniscal tear as seen from arthroscopic view
Anterior view of knee joint surrounded by the images one would see arthroscopically.
Lateral meniscal tear as seen from arthroscopic view
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