Osteonecrosis (ON) is an uncommon disease. It is therefore important to know the populations at high risk for ON and the anatomic sites most frequently involved in order to improve diagnostic acumen. Knowledge of the risk factors and etiology of ON lends insight into management and potentially prevention. Furthermore, the differences in the distribution of ON internationally may help highlight important topics for research and identify key areas of intervention to prevent the occurrence of disease.
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© Springer-Verlag Berlin Heidelberg 2014.