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目的：探讨螺旋CT三维重建与多平面重建在腰椎体后缘软骨结节诊断中的应用价值。方法：收治腰椎体后缘软骨结节患者30例，采用GEPHILIPS 16排多层螺旋CT常规扫描，将数据进行三维(3D)重建和多平面(MPR)重建处理。结果：本组30例患者共发现腰椎体后缘软骨结节31块，结节形状以类圆形为主。单发29例，多发1例，发现2处腰椎体后缘软骨结节。腰椎体后缘软骨结节分布情况：L4后上缘20个，后下缘2个，L5后上缘6个，后下缘2个，S1后上缘1个。结论：螺旋CT三维重建与多平面重建全面、直观显示病灶的情况，是诊断腰椎体后缘软骨结节的重要依据。“,”Objective:To explore the application values of spiral CT three-dimensional reconstruction and multi planar reconstruction in the diagnosis of lumbar posterior marginal cartilage nodules.Methods:30 patients with lumbar posterior marginal cartilage nodules were selected.They were given GEPHILIPS 16 row multislice CT routine scan.The data were processed by three-dimensional(3D) reconstruction and multi plane(MPR) reconstruction.Results:31 blocks of lumbar posterior marginal cartilage nodules were discovered in 30 patients of this group.The shape of the nodules was give priority to with class round.29 cases were single,1 case was multiple with two lumbar posterior marginal cartilage nodules.The distribution of lumbar posterior marginal cartilage nodules:20 cases of L4 posterior margo superior,2 cases of posterior margo inferior;6 cases of L5 posterior margo superior,2 cases of posterior margo inferior;1 case of S1 posterior margo superior.Conclusion:Spiral CT three-dimensional reconstruction and multi planar reconstruction can comprehensively and intuitively display the condition of the lesion.It is the important basis for the diagnosis of lumbar posterior marginal cartilage nodules.