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Recently, aging process and westernization of life style are increasing the incidence of colonic diverticulum. About 30% of colonic diverticulm result in diverticular bleeding, which often causes acute lower gastrointestinal bleeding. In most cases, the bleeding stops spontaneously. But when relapsing or causing massive bleeding, it sometimes needs emergent surgery. Generally, treatments for colonic diverticular bleeding consist of conservative ones. But recently, urgent colonoscopy is important procedure since it estimates the needs for surgery, or when bleeding foci being identified, endoscopists frequently can stop the bleeding by only colonoscopic procedures such as injection therapy, band ligation, hemoclipping and argon plasma coagulation, etc. In patients with hematochezia, we made early detection of diverticular bleeding foci by urgent colonoscopy, and then we were able to treat them successfully by argon plasma coagulation and hemoclipping. Thus we report these with literature review.
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