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[Bisphosphonate-associated atypical fractures of the femur: an update of the current evidence].

Atypical fracture of the femur is a well-documented adverse reaction to antiresorptive treatment with bisphosphonates. Although there has been significant gain of knowledge during the past decade, the pathogenesis of this type of fracture is still poorly understood. We present an update on the evidence in regard to epidemiology, pathophysiology, and management of atypical fractures.