腰椎间盘突出症的CT计量诊断探讨

目的 :寻找一种能精确表达 (或预测 )腰椎间盘突出症 (lumbardischerniation ,LDH)病理形态的CT计量诊断方法 ,用以指导临床治疗。方法 :回顾分析已通过手术确定了病理形态的 395例LDH患者 (45 2个间盘 ,A组 )的术前CT图像资料 ,将其CT图像特征分为 5个指标 14种表现 ,进行多因素判别分析并与术中所见比较 ;以多变量判别分析时各变量的赋值为基础制订计量诊断表。应用CT计量诊断表对后期手术治疗的 4 7例LDH患者 (B组 )进行前瞻性研究。结果 :LDH各病理类型之间的CT图像特征在统计学上有极显著性差异 (P <0 0 0 1) ;应用计量诊断表对A组患者的术前CT图像资料进行回代检验 ,判别正确率为 84 73% ,B组前瞻性研究的判别正确率为82 6 9%。结论 :CT计量诊断能比较准确地预测LDH的病理形态 ,对治疗具有重要指导意义

A quantitative diagnosis of CT images of lumbar disc herniation

Objective:To search for a quantitative diagnosis of CT images of LDH correspondent with its pathologic types in order to guide clinical treatment.Method:Three hundred and ninety five cases of LDH patients(452 discs,the A group) with preoperative CT were analysed retrospectively and compared with its pathologic types found during operation.Its CT images were divided into 14 findings belonging to 5 indexes on which multivariate analysis was made whereby a quantitative diagnosis table was formed.47 cases of B group which would undergo an operation were studied by this table prospectively.Result:All types of LDH have a striking difference mutually ( P <0 001);it is found that the right rate was 84 73% and 82 69% respectively according to retrospective test of A group and prospective test of B group.Conclusion:The quantitative diagnosis of CT can predict the types of LDH relative accurately and guide clinical treatment rightly.