近年来随着内镜分辨率和操作技术的提高 ,人们逐渐认识到胃肠道血管 (ＧＩＶＭ)是引起消化道出血不可忽视的主要原因 ,尤其是在以往不明原因的消化道出血中占有重要的地位[1] 。Ｒｏｓｓｉｎｉ[2 ] 报道在对小肠可疑病变的检查中 ,ＧＩＶＭ为出血病变的第一位。本文就我院结肠 In recent years, with the increase of endoscopic resolution and operation technique, people gradually come to realize that gastrointestinal tract (GIVM) is the main cause of gastrointestinal bleeding, especially in the past unexplained gastrointestinal bleeding Status [1]. Rossini [2] reported that in the examination of suspicious lesions of the small intestine, GIVM was the number one bleeding disorder. This article on our hospital colon