[摘要] 不明原因消化道出血临床并不少见，占消化道出血的3%～5%，明确诊断比较困难，目前仍然是消化系统疾病中研究的热点及难点。但近年来，随着内镜及放射学科的发展，使不明原因消化道出血诊治水平得以提高。本文对该病目前的认识、诊断、治疗以及所面临的问题进行了综述和讨论。

    [关键词] 消化道；诊断；流程；进展

    [中图分类号] R573.2 [文献标识码] A [文章编号] 1674-4721(2011)12(b)-011-02

    Advances in diagnosis of obscure gastrointestinal bleeding

    XIE Yongpeng1, LI Wei2*

    1.Department of Emergency, the First People＇s Hospital of Lianyungang City, Jiangsu Province, Lianyungang 222002, China; 2.Department of Emergency, the First Affiliated Hospital of Jilin University, Jilin Province, Changchun 130021, China ......