Methods:CT-guided selective injection for nerve root infiltration was performed in 53 patients with intervertebral disc hernia with a mixture of corticosteroid,local anesthetic and normal saline.

• 方法:在CT引导下选择性神经根注射皮质类固醇、局部麻醉剂、生理盐水等药物混合液,治疗53例腰椎间盘突出症患者,以视觉模拟疼痛评分对患者治疗前后的症状进行评价。