大肠海绵状血管瘤是非常罕见的良性血管病变。我院 1999年 4月收治 1例 ,分析报道如下。1　病例患者男 ,18岁 ,因反复便血 17年就诊 ,期间诊断为内痔 ,行内痔切除术 5次。 1999年 4月行电子结肠镜检查 ,镜下见乙状结肠、直肠黏膜下血管怒张 ,黏膜呈紫红色 ,表面糜烂 ,占据 2 / Cavernous hemangiomas of the colon are very rare benign vascular lesions. In our hospital in April 1999 admitted to 1 case, the analysis reports as follows. A case of male patients, 18 years old, because of repeated blood in the stool for 17 years, diagnosed as internal hemorrhoids, hemorrhoidectomy 5 times. April 1999 electron colonoscopy, microscopy, sigmoid colon, rectal submucosal vascular engorgement, mucosa was purple, surface erosion, accounting for 2 /