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[目的]探讨内镜下黏膜切除术(Endoscopic mucosal resection,EMR)治疗消化道无蒂及亚蒂息肉的安全性及效果.[方法]入选的154例胃肠道无蒂及亚蒂息肉的患者,均采用EMR方法进行镜下治疗,对所有不同部位的息肉标本均进行病理学检查.[结果]所有息肉均成功切除,术中2例出血,经电凝止血钳成功止血后予钛夹夹闭创面;无术后出血、穿孔等并发症,术后病理类型:炎性息肉48枚(11.32％)、增生性息肉74枚(17.45％)、腺瘤性息肉300枚(70.75％),腺瘤性息肉合并高级别上皮内瘤变2枚(0.47％);所有息肉均切除干净,复查无残留.[结论]EMR治疗消化道无蒂及亚蒂息肉是安全有效的,值得基层医院临床推广应用.“,”[Objective]To investigated the efficacy and safety of endoscopic mucosal resection(EMR)on non-or sub-pedicle polyps in the gastrointestinal tract.[Methods]From August 2015 to May 2017,totally 154 patients with non-or sub-pedicle polyps were enrolled into this study.The patients were treated by EMR and the polyp specimens were pathologically examined.[Results]All polyps were successfully resected,in which 2 cases had bleeding during the operation,and were successfully treated after electric coagulation hemostasis followed by titanium clip closure of wounds.No postoperative bleeding,perforation and other complications happened.The postoperative pathological types included:inflammatory polyps 74 (11.32％),hyperplastic polyps 300(70.75％),adenoma polyps 48(17.45％)and adenoma polyps with high grade intraepithelial neoplasia 2(0.47％).[Conclusion]EMR is a safe and effective method for the treatment of the alimentary polyps,which is worth the clinical application.