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Percutaneous autologous bone-marrow grafting is an effective and safe method for the treatment of an atrophic tibial diaphyseal nonunion. However, its efficacy appears to be related to the number of progenitors in the graft, and the number of progenitors available in bone marrow aspirated from the iliac crest appears to be less than optimal in the absence of concentration.

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Abstract:The treatment of bone a vascular necrosis is a big challenge considering the youthfulness of the patients involved by necrosis in sickle cell disease and the importance of the generated disability. A vascular osteonecrosis is an epiphysis pathology which could be treated by joint replacement with success, however, multiple surgical procedures are mostly necessary during the patient's life with a hazardous long term functional results. The treatment by autologous bone marrow grafting is an effective alternative which preserve the native joint. Using this mini-invasive high technology surgical treatment in early stages, a joint replacement could be avoided in many patients.

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