Objective: To investigate the necessity of removing the nail in the treatment of infection after intramedullary nail fixation for femur fracture.

目的探讨股骨骨折髓内针固定术后合并感染时，是否需要取出髓内针及其相关治疗方法。

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To explore the necessity of the anterior approach operation in the treatment of complete paraplegia due to bursting fracture of thoracolumbar vertebral body.

探讨胸腰段椎体爆裂骨折并完全性瘫痪是否有必要行前路手术。

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