目的　探讨CT在脊髓纵裂畸形诊断和治疗中的价值。方法　回顾分析 12例经手术病理或临床证实的脊髓纵裂畸形CT表现和临床特点。结果　根据CT表现脊髓纵裂分为有间隔的Ⅰ型和无间隔的Ⅱ型 ,Ⅰ型中完全性骨性中隔 7例 ,不完全性骨性中隔 1例 ,软骨性 1例 ,纤维性 2例 ,Ⅱ型中无间隔 1例 ,均合并有不同程度的脊柱先天性畸形 ,诊断正确率 92 %。 10例手术切除纵裂间隔 ,总有效率 90 %。结论　CT具有特征性表现 ,并可显示存在的合并畸形 ,可为临床制订手术方案提供依据。 Objective To investigate the value of CT in the diagnosis and treatment of spinal longitudinal deformity. Methods Retrospective analysis of 12 cases of pathologically confirmed or clinically proven spinal longitudinal deformity CT findings and clinical features. Results According to the CT findings, the spinal cord was divided into two types: type Ⅰ with and without interval, type Ⅰ with complete osteosynthesis in 7 cases, incomplete osteosynthesis in 1 case, cartilage in 1 case, fibrosis 2 cases, type Ⅱ no interval in 1 case, all with varying degrees of spinal congenital malformations, the correct diagnosis rate of 92%. Ten cases of surgical resection of longitudinal separation, the total efficiency of 90%. Conclusion CT has a characteristic manifestation and can show the existence of the combined deformity, which can provide the basis for the clinical development of surgical options.