The main causes of FBSS are spinal canal stenosis and lumbar spine instability.
术后椎管狭窄和腰椎不稳定是腰椎间盘突出症术后失败的主要原因。
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Objective: the localization diagnosis and the limited surgical technique of the Failed Back Surgery Syndrome (FBSS) were studied to reduce the rates of surgical failure and maim.