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Evaluation of Bone Quality and Bone Strength. Pathogenesis of atypical femoral fracture. Iwata Ken 1 , Mashiba Tasuku 2 1Department of Orthopedic Surgery, Kagawa University Faculty of Medicine, Japan. 2Department of Orthopedic Surgery, Kagawa University Faculty of Medicine, Japan. pp.73-79
Published Date 2015/12/28
DOI https://doi.org/10.20837/4201601073
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 We demonstrated microdamage accumulation in the fracture sites in the patients of subtrochanteric atypical femoral fracture with long term bisphosphonate therapy and of incomplete shaft fracture of lateral femoral bowing without bisphosphonate therapy. Based on these findings, pathogenesis of atypical femoral fracture is revealed stress fracture caused by accumulation of microdamages between distal to the lesser trochanter and proximal to the supracondylar flare in the femur in association with severely suppressed bone turnover and/or abnormal lower limb alignment, that causes stress concentration on the lateral side cortex of the femur.



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電子版ISSN 印刷版ISSN 0917-5857 医薬ジャーナル社

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