Abstract: AbstractObjectiveIn order to learn more about the ectopic gastric mucosa in children. MethodsFiftyfive cases who were diagnosed as ectopic gastric mucosa by pathology were analyzed retrospectively,and the clinical datas were classified and analysed. ResultsFortyfour cases were boys and 11 cases were girls,their ages ranging from 3 months to 13 years,the average age being 45 years.The final diagnosis was that 40 cases were Meckel's diverticulum and 11cases were duplication of intestine. ConclusionStrong acid secretion and ulceration are probably the etiology of the ectopic gastric mucosa; ectopic gastric mucosa can cause hemorrhage of lower disgestive tract、acute intestinal obstruction and intussusception;the children with acute abdomen even though the result of ECT is negative should be operated.

Key words: Intussusception , Acute abdomen

摘要： 目的探讨小儿异位胃黏膜症合并急腹症的临床特点。 方法回顾分析了200012—200512中国医科大学第二临床学院收治的55例经病理证实存在异位胃黏膜的急腹症患儿，对其临床资料进行分类汇总和分析。 结果男44例，女11例；年龄3个月至13岁，平均45岁。临床诊断下消化道出血31例，急性肠套叠13例，急性肠梗阻5例，急性腹膜炎6例；手术切除肠管标本经病理检查证实均有异位胃黏膜。其中Meckel憩室40例，肠重复畸形11例，肠壁正常4例。 结论异位胃黏膜可能是小儿急腹症的病因之一；急腹症患儿ECT检查阴性也应开腹探查，以免遗漏异位胃黏膜。

关键词: 异位胃黏膜, 急腹症, 肠套叠