Subtrochanteric Femoral Fractures in Patients Receiving Long-Term Alendronate Therapy: Imaging Features

被引：33

作者：

Chan, Sarah Shock ^{[1
]}

Rosenberg, Zehava Sadka ^{[1
]}

Chan, Keith ^{[2
]}

Capeci, Craig ^{[2
]}

机构：

[1] NYU, Hosp Joint Dis, Dept Radiol, New York, NY 10009 USA

[2] NYU, Dept Orthoped, Hosp Joint Dis, New York, NY 10009 USA

来源：

AMERICAN JOURNAL OF ROENTGENOLOGY | 2010年 / 194卷 / 06期

关键词：

alendronate; fracture; trauma; SUPPRESSED BONE TURNOVER; MICRODAMAGE ACCUMULATION; POSTMENOPAUSAL WOMEN; STRESS-FRACTURES; SHAFT FRACTURES; BISPHOSPHONATES; OSTEOPOROSIS; OSTEONECROSIS; COMPLICATION; TRIAL;

D O I：

10.2214/AJR.09.3588

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

100231 [临床病理学]; 100902 [航空航天医学];

摘要：

OBJECTIVE. A paradoxical association between long-term alendronate therapy and low-energy subtrochanteric femoral fractures has been recently recognized. A retrospective review of 34 such femoral fractures was performed. CONCLUSION. Subtrochanteric femoral fractures associated with long-term alendronate therapy present with minimal trauma, may be chronic, and when incomplete may be missed. The characteristic imaging features include initial involvement and focal thickening of the lateral cortex, transverse orientation, medial beak, and superior displacement and varus angulation at the fracture site.

引用

页码：1581 / 1586

页数：6

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