结肠静脉曲张是肠出血的一种少见原因。自1954年以来,文献报道约有30例。在大多数病人中,静脉曲张段位于左结肠。迄今全结肠的静脉曲张仅见一例。本文报告一例全结肠静脉曲张引起的反复肠出血。病史如下:男性,70岁,从17岁起反复发作直肠出血,约每年一次。为此,病人接受输血总共约20次。1965年被疑诊直肠息肉,作活组织检查时曾引起大量出血。1978年 Colonic varices are a rare cause of intestinal bleeding. Since 1954, about 30 cases have been reported in the literature. In most patients, the varicose veins are located in the left colon. So far, only one case of varicose veins of the colon. This article reports a case of recurrent intestinal bleeding caused by varicose veins. The history is as follows: Male, 70 years old, from the age of 17 recurrent rectal bleeding, about once a year. To this end, the patient receives a total of about 20 blood transfusions. 1965 was suspected of rectal polyps, has caused a lot of bleeding for biopsy. 1978