前言目的:分析十二指肠壅积症的病因。方法:借助X光检查（钡餐）、腹部CT、选择性肠系膜上动脉造影、电子内镜。结果:功能性消化不良是十二指肠壅积症的主要原因。结论:十二指肠壅积症的病因多为功能性。
Objective:Toinvestigatethecausesofduodenalstasisdisease.Method:Patientswithduodenalstasisdiseasewereexaminedbysingleormultipleways,suchasbariumstudy,selectivesuperiormesentericarteryvisualization,electronmicroscopeorCT.Result:Themainetiopathogenisisoftheduodenalstasisisfunctionaldyspepsia（FD）.Conclusion:Functionaldisordercausestheduodenalstasisdisease.
