If no clinical effect is achieved after expectant treatment and extra-spinal diseases were excluded, exploratory operation inside canalis spinal should be employed.
治疗后无效及排除
它椎管外疾患后，行椎管内探查手术治疗。
If no clinical effect is achieved after expectant treatment and extra-spinal diseases were excluded, exploratory operation inside canalis spinal should be employed.
治疗后无效及排除它椎管外疾患后，行椎管内探查手术治疗。
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