Objective:To investigate the clinical effect of percutaneous lumbar diskectomy (PLD) combining with chemonucleolysis (CNL) by intranuclear injection of collagenase in the treatment of lumbar disc herniation.

• 目的 :探讨经皮切割抽吸 (PLD)联合盘内注射胶原酶 (CNL)治疗腰椎间盘突出症的临床价值。