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pseudoarthrosis |
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pseudoarthrosis. See false joint. pseudarthrosis, pseudoarthrosis a pathological entity characterized by a nonosseous union of bone fragments of a fractured bone due to inadequate immobilization leading to existence of the 'false joint' that gives the condition its name. pseudoarthrosis Orthopedics The non-union of 2 fractured ends of a long bone, in which the bone is covered by fibrous tissue or fibrocartilage; in extreme cases, the false joint is surrounded by a bursal sac containing synovial fluid;
congenital PAs may occur in von Recklinghausen's disease or osteogenesis imperfecta; acquired PA usually follows trauma or, less commonly, tumor-related osteolysis and fibrous dysplasia. Cf Arthritis. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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