浅谈单纯右位乙状结肠解剖变异及其临床意义(附6例报告)
发育异常,,右位乙状结肠；解剖变异；发育异常；肠旋转不良,1临床资料,2讨论,【参考文献】
【摘要】 目的 探讨单纯右位乙状结肠解剖变异及其临床意义。方法 回顾分析国内1996～2004年单纯右位乙状结肠患者的6例报道。结果 6例均为男性。其中3例于阑尾切除手术中发现，年龄25～44岁，平均34.3岁。另3例于解剖3具成年男尸中发现，年龄不详。排除全内脏转位及部分内脏转位。单纯右位乙状结肠型4例，右位乙状结肠并右位降结肠型2例。结论 单纯右位乙状结肠罕见，属先天发育异常，不同于内脏转位及先天性肠旋转不良。钡剂灌肠是确诊本症的首选检查。单纯右位乙状结肠本身不需处理。了解此种变异在影像学检查及外科治疗中都具有重要意义。【关键词】 右位乙状结肠；解剖变异；发育异常；肠旋转不良
【Abstract】 Objective To explore the anatomical variation of simple right sigmoid colon and its clinical value.Methods 6 cases of simple right sigmoid colon reported between 1996 and 2004 in China were analyzed retrospectively.Results All 6 cases were male.3 cases of them were found in the course of appendectomy.Their age ranged from 25 to 44.The average age was 34.3.Other 3 cases were found in the course of autopsy.Their ages were no in detail.Transposition of complete viscera and transposition of incomplete viscera had been excepted.4 cases were the type of simple right sigmoid colon.2 cases were the type of right sigmoid colon and right descending colon.Conclusion Simple right sigmoid colon is a rare congenital dysplasia and differ from transposition of viscera and malrotation.The diagnosis of right sigmoid colon is confirmed by barium enema.Simple right sigmoid colon neednt to manage.Understanding this variation has significance on imageology examination and surgical operation. ......
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