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结肠血管扩张是结肠的一种退行性血管病变,好发于老年人,国外认为其是老年人下消化道出血的重要原因。该文总结了37例结肠镜诊断为结肠血管扩张者的临床及内窥镜表现。其临床表现主要为:不同程度下消化道出血、腹痛、腹胀、腹泻、便秘或腹胀便秘交替。血管扩张好发部位依次为肝曲、横结肠近肝曲、升结肠、横结肠、回盲部、横结肠近脾曲、脾曲、降结肠、乙状结肠及直肠。结肠血管扩张内窥镜下表现主要为粘膜血管扩张为红色,主要呈树枝状、网状,扩张的血管内常可见蜘蛛痣样、蝌蚪样及蛇形样血池形成。
Colonic vasodilation is a degenerative vascular disease, occurs in the elderly, foreign countries that it is an important cause of lower gastrointestinal bleeding in the elderly. This article summarizes the clinical and endoscopic findings of 37 patients diagnosed as colon vasodilators by colonoscopy. The main clinical manifestations are: varying degrees of gastrointestinal bleeding, abdominal pain, bloating, diarrhea, constipation or abdominal distension and constipation alternating. Vasodilation prone areas followed by liver song, transverse colon near liver song, ascending colon, transverse colon, ileocecal, transverse colon near spleen song, spleen song, descending colon, sigmoid colon and rectum. Colon vasodilation mainly under the endoscopic mucosal vascular dilatation was red, mainly dendritic, reticular, dilated blood vessels often visible spider-like, tadpole-like and snake-like blood pool formation.