1.If no clinical effect is achieved after expectant treatment and extra-spinal diseases were excluded, exploratory operation inside canalis spinal should be employed.

1.经保守后无效及排除其它管外疾患后，行管内探查手。

2.Clinical data of 14 patients suffered from backleg pain caused by entrapment of thickened capillary and cordal fiber bundle inside canalis spinalis were analyzed, retrospectively.

2.14管内增粗毛细血管及条索状纤维素带卡压致腰腿痛的患者临床资料进行回顾性分析。