![]() ![]() The exact cause is unknown, however there are a number of factors that are commonly associated with the onset of arthritis and may include: The medial compartment is more commonly affected than the lateral compartment. Unicompartmental osteoarthritis is a loss of the articular cartilage in only one compartment, either the medial or lateral compartments. When arthritis affects the knee joint, it commonly occurs in two compartments, usually the medial and patellofemoral compartment. ![]() In a normal joint, articular cartilage allows for smooth movement within the joint, where as in arthritic knee the cartilage itself becomes thinner or completely absent. Osteoarthritis is the most common form of knee arthritis in which the joint cartilage gradually wears away. OverviewĪrthritis is inflammation of a joint causing pain, swelling (inflammation), and stiffness. Your doctor may recommend unicompartmental knee resurfacing if your arthritis is limited to only the medial or lateral compartments of the knee. The knee can be divided into three compartments: patellofemoral, the compartment in the front of the knee between the knee cap and thigh bone, medial compartment, on the inside portion of the knee, and lateral compartment which is the area on the outside portion of the knee joint. Unicompartmental knee resurfacing is a surgical procedure which involves replacement of only the diseased surface of the joint instead of the entire joint. Unicompartmental knee resurfacing is a minimally invasive knee surgery alternative to total knee replacement in patients with arthritis involving only the medial or lateral compartment of the knee. ![]()
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