Conclusion The total effective rate of PLD for bulging of lumbar disc or mild protrusion show 100% , and 60% for severe prolapse or extrusion.

• 结论经皮穿刺腰间盘切割术治疗重度突出及脱垂的总有效率为60%25,对腰间盘膨出及轻度突出的总有效率可达100%25。