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Colectomy (col-+ -ectomy) is the surgical removal of any extent of the colon, the longest portion of the large bowel. Colectomy may be performed for prophylactic, curative, or palliative reasons. Indications include cancer, infection, infarction, perforation, and impaired function of the colon.
A proctosigmoidectomy, Hartmann's operation or Hartmann's procedure is the surgical resection of the rectosigmoid colon with closure of the anorectal stump and formation of an end colostomy.
There are several surgical approaches to treat megacolon, such as a colectomy [2] [14] (removal of the entire colon) with ileorectal anastomosis (ligation of the remaining ileum and rectum segments), or a total proctocolectomy (removal of colon, sigmoid and rectum) followed by ileostomy or followed by ileoanal anastomosis.
Diversion colitis is an inflammation of the colon which can occur as a complication of ileostomy or colostomy, where symptoms may occur between one month and three years following surgery. [1]
Distal or sigmoid, fecalomas can often be disimpacted digitally or by a catheter which carries a flow of disimpaction fluid (water or other solvent or lubricant). Surgical intervention in the form of sigmoid colectomy [ 12 ] or proctocolectomy and ileostomy [ 13 ] may be required only when all conservative measures of evacuation fail.
Toxic megacolon in a patient with ulcerative colitis: The patient subsequently underwent a colectomy. A pathological specimen showing toxic megacolon. The pathological process involves inflammation and damage to the colonic wall with unknown toxins breaking down the protective mucosal barrier and exposing the muscularis propria. [4]
Proctocolectomy is the surgical removal of the entire colon and rectum from the human body, leaving the patients small intestine disconnected from their anus. [1] It is a major surgery that is performed by colorectal surgeons, however some portions of the surgery, specifically the colectomy (removal of the colon) may be performed by general surgeons. [2]
Other complications of short bowel syndrome are chronic diarrhea or high output from the ostomy site, intestinal failure associated liver disease, and electrolyte level abnormalities. [ 24 ] Short bowel syndrome is rare and usually follows extensive ischemic bowel caused by internal hernias, volvulus, or mesenteric ischemia where the remaining ...