Colectomy - Definition

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A colectomy is the surgical removal of all or part of the colon. A colectomy is considered in some cases involving inflammation of the colon such as diverticulitis, Crohn's disease, or ulcerative colitis. It is most frequently practiced for the treatment of cancer. A colectomy may be partial or total. It is followed by an anastomosis to restore the continuity of the digestive tract. Sometimes, it requires the installation of an artificial anus by colostomy, which allows the by-pass of feces to a pocket stuck to the skin of the abdomen.