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目的：改良乙状结肠人工阴道成型术。方法：应用“血管定位法”确定乙状结肠远端切断线，并以此线为基础，确定移植肠段长度。结果；施术48例，移植肠段长度12～14cm，手术成功率100％．无严重并发症。结论：应用“血管定位法”使乙状结肠人工阴道成型术变得简便、易掌握。“血管定位法”对目前乙状结肠人工阴道成型术是一个很好的改良。
Objective: To improve sigmoid colon vaginoplasty. Methods: The distal colon of sigmoid colon was determined by “vascular localization method”, and based on this line, the length of colon segment was determined. Results; 48 cases of operation, length of transplanted intestine 12 ~ 14cm, the success rate of 100%. No serious complications. Conclusion: The application of “vascular localization method” makes sigmoid colon artificial vaginoplasty simple and easy to grasp. “Vascular Positioning” for the current sigmoid colon artificial vaginoplasty is a good improvement.