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目的：探讨气钡灌肠造影中结肠炎误诊为结肠癌的多种原因。方法：对20例各类结肠炎结合结肠镜检资料分析对照，重点讨论其中一例典型病例。结果：临床上结肠病变误诊的主要原因在于造影方法运用不当。造影前充分的准备、多体位、多角度观察，结合结肠镜检资料可减少误诊。结论：结肠双对比造影仍是目前较为理想的诊断方法，改进造影方法和寻找特征性X线征象可减少误诊，提高诊断水平。
Objective: To investigate the various causes of misdiagnosed colitis in barium enema angiography as colon cancer. Methods: 20 cases of colitis combined colonoscopy data analysis and control, focusing on one of the typical case. Results: The main reason for the misdiagnosis of clinical colonic lesions is improper use of angiography. Full pre-contrast preparation, multi-position, multi-angle observation, combined with colonoscopy can reduce misdiagnosis. Conclusion: Double contrast colonography is still an ideal method for diagnosis. Improving contrast method and searching for characteristic X-ray signs can reduce misdiagnosis and improve diagnosis.