Annals of Clinical and Laboratory Research

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Bilateral Spontaneous Femoral Neck Fracture

Kai Sun, Hui Li and Wenxue Jiang

Background: Spontaneous femoral neck fractures is a rare single fracture. The evident factors of its occurrence are rare, and the causes remain doubt. Osteoporosis and stress fractures have been the major possibilities.

Case presentation: We report a case of 75-year-old independent female felt right hip pain, but she did not note until she cannot resist the pain after 4 months later three years ago. The patient denied any possible trauma resulting in the femoral neck, the fracture was treated with THA. After one year, she felt right hip little pain and found right leg shorten. After the symptom continued 2 months and aggravated 1 week, she decided to readmitted in our hospital and X-ray showed the right femur neck had been fractured and same as last year. We took TKA for her and the pathological results showed that the femur head had been necrosis.

Conclusion: Our case report demonstrate whenever an elderly patient presents with a vague pain about the hip, stress fracture of the femoral neck should be included in diagnosis. Osteopenia, fragility and constantly undergoing stress of hip after are the most reasons, only identified high-risk, can these risk factors be modified and fractures prevented.