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Each of your knees has two C-shaped pieces of cartilage that act like a cushion between your shinbone and your thighbone. A torn meniscus causes pain, swelling and stiffness. You also might feel a block to knee motion and have trouble extending your knee fully.
A torn meniscus often can be identified during a physical exam. Your doctor might move your knee and leg into different positions, watch you walk, and ask you to squat to help pinpoint the cause of your signs and symptoms.
The meniscus is a firm, elastic, shock absorber that helps stabilize the knee and is important for normal function of the knee joint. It also provides protection of healthy cartilage in the knee. A meniscus can become damaged due to sudden trauma.
Knee pain may be the result of an injury, such as a ruptured ligament or torn cartilage. Medical conditions — including arthritis, gout and infections — also can cause knee pain. Many types of minor knee pain respond well to self-care measures.
ANSWER: The new technique is called matrix-associated autologous chondrocyte implantation, or MACI. It can be effective for repairing isolated cartilage damage in the knee, but it’s not useful for people whose knee cartilage is diffusely damaged due to arthritis.
ANSWER: Maneuvers that forcefully compress and twist or rotate the knee can lead to a torn meniscus, which is cartilage in the knee joint. This cartilage acts like a cushion between the shinbone (tibia) and thighbone (femur).
Knee Cartilage Lesions. Overview Symptoms When to see a doctor Diagnosis Treatment. Both the femur (thigh bone) and tibia (shinbone) are covered with small, white, well-lubricated articular cartilage that makes the knee joint glide and function well.
A unique approach to repairing knee cartilage mixes donor mesenchymal stem cells from the Mayo Clinic Center for Regenerative Medicine stem cell bank with recycled autologous cells to quickly obtain enough cells to fill the patient's cartilage defect without operating twice.
A team of Mayo Clinic orthopedic and regenerative medicine researchers has continued development and testing of a knee joint restoration procedure, called recycled cartilage auto/allo implantation (RECLAIM).
Knee. Shoulder. Elbow. Ankle. Hip. Wrist. Diagnostic procedures. Arthroscopy may be used if X-rays and other imaging studies have not offered clear answers. Surgical procedures. Conditions treated with arthroscopy include: Loose bone fragments. Damaged or torn cartilage. Inflamed joint linings. Torn ligaments. Scarring within joints.