The incidence rate of developmental cervical spinal stenosis in the group of degenerative lumbar spine stenosis was 27.9%, and that in healthy objective was 10%.

退变性腰椎管狭窄症患者组有27.9%出现发育性颈椎管狭窄，高于正常人中可以有10%出现发育性颈椎管狭窄的比例。

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Objective. To estimate the clinical effect of decompression with or without fusion in patients with hidden stenosis in the lumbar spine.

研究目的：评估隐性腰椎管狭窄的病人行减压手术伴或不伴融合的临床效果。

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Posterior margin of lumbar vertebral posterior regional node appeared as arch protruding into spine canal, resulting in stenosis of spine canal and intervertebral foramen.

位于椎体后缘者可导致椎管狭窄，如其后缘断裂则可能合并椎间盘突出。

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