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Arthritis is a progressive process of cartilage wear. Cartilage has no blood supply so it cannot heal nor regenerate. Arthritis can be due to mechanical wear (osteo-arthritis), inflammatory conditions (such as rheumatoid), trauma or infection. Arthritis can affect part of the knee or the whole joint. Symptoms from arthritis include pain, swelling, stiffness and warmth, ranging from mild to severe and disabling. Overall activity levels can be decreased and sleep can be disturbed. Knee x-rays can help in the diagnosis. Treatment options are numerous: medication, weight loss, knee supports, walking aids, physiotherapy, injections, keyhole surgery, osteotomy or joint replacement (partial or total).
Severe arthritis of the
inner knee
Meniscal tears
Meniscal or cartilage tears affect cartilage structures which can be found between the femoral and tibial cartilage on the inside (medial) and outside (lateral) of the joint. They have an important function in load transmission, thereby protecting the joint cartilage from wear. They also help with stability, shock absorption and nutrition. A meniscus can tear at any age, usually with a twisting or deep knee bending injury. At older ages a minor twist can cause the tear. The majority of the meniscus lacks blood supply so the tear is unlikely to heal except in the first 2 decades of life. Meniscal tears can be acutely painful and associated with initial swelling, giving way sensations, locking and clicking. Symptoms tend to improve but if there are persistent symptoms beyond 3 months further natural improvement is unlikely. A meniscal tear is not seen on x-rays and an MRI scan is the best way to diagnose it. An arthroscopy (keyhole surgery) is an option for treatment.
Common conditions
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