前言：目的：总结分析腰椎间盘突出症治疗前后的X线改变。

Objective: to summarize and analysis the X-ray changes before and after therapy to lumbar intervertebral disk extrude.

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目的分析腰椎间盘突出症手术疗效不佳的原因，探讨提高疗效的方法。

Objective to analyse the causes of unsatisfactory curative outcomes of lumbar disc herniation, and to improve the treatment.

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前言： 目的分析腰椎间盘突出症再手术的原因，探讨预防措施及再手术方法。

Objective: Analysis of the causes resulted in reoperation of lumbar disc protrusion, to explore the prophylactic measure and method of reoperation.

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