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目的 钙化型腰椎间盘突出症是腰椎间盘突出症的一种特殊类型,本研究的目的在于注意其特殊性,采取有效措施,提高手术疗效.方法 1992 年10 月~1997 年12 月手术治疗腰椎间盘突出症118 例,经CT诊断、手术证实的钙化型腰椎间盘突出症21 例.详细介绍了手术方法及采用自制“L”型骨刀可顺利切除椎体后缘突出的钙化型椎间盘.结果 21 例患者下肢痛、间歇性跛行全部消失,恢复了原工作和正常生活,但其中3 例足趾、小腿外侧麻木未完全消失,参照陆裕朴评定标准,优良率为85-7%.结论 钙化型腰椎间盘突出症具有腰椎间盘突出症的普遍性,又有其特殊性.针对其特殊性,应用文中所介绍的手术方法,可顺利完成手术,取得较好疗效“,”Objective To describe the surgical procedure and results of the calcified protrusion of the lumbar intervertebral disc Methods From October 1992 to December 1997, 118 cases of protrusion of the lumbar intervertebral disc were operated upon Calcified lesion were confirmed in 21 cases by CT and operation During the operation, the calcified disc was resected by “L”bone chisel designed by the authors Results The lower limb pain and intermittent limping in 21 cases disappeared completely and the patients resumed their normal activities The numbness of the toes and external aspect of the tibial region did not disappear completely in 3 of 21 cases The excellent and good results were obtained in 85 7% of the patients according to Lus evaluation standard Conclusion The calcified type protrusion of the lumbar intervertebral disc manifests clinically in general with the ordinary lesional protruded discs in addition to their special features In consideration of the speciality the methods which were introduced in this article should be adopted in order to perform operations successfully and to obtain a satisfactory outcome