Overview: Up-to-date and comprehensive information on the pathophysiology, etiology, diagnosis, classification, and treatment of osteonecrosis.Based on presentations at leading international meetings during theOsteonecrosis is a disease caused by reduced blood flow to bones in the joints, including the hip, knee, shoulder, and ankle. The disease, which is usually progressive and leads to joint failure, occurs in young adults aged from their twenties to their fifties. The pathogenesis of osteonecrosis is still unclear, and treatment remains controversial. This textbook provides up-to-date and c
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