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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. Colectomy may be performed for prophylactic, curative, or palliative reasons.
Short bowel syndrome is a failure of absorption of nutrients due to resection of portions of the small bowel. It can be limited to a single nutrient or it can be total malabsorption. If the distal ileum is resected it commonly causes a mild form of short bowel syndrome with deficiency of only vitamin B12.
The remaining 50% are due to non-biliary causes. This is because upper abdominal pain and gallstones are both common but are not always related. Non-biliary causes of PCS may be caused by a functional gastrointestinal disorder, such as functional dyspepsia. [6] Chronic diarrhea in postcholecystectomy syndrome is a type of bile acid diarrhea ...
The signs and symptoms of colorectal cancer depend on the location of the tumor in the bowel, and whether it has spread elsewhere in the body ().The classic warning signs include: worsening constipation, blood in the stool, decrease in stool caliber (thickness), loss of appetite, loss of weight, and nausea or vomiting in someone over 50 years old. [15]
Gross appearance of a colectomy specimen containing two adenomatous polyps (the brownish oval tumors above the labels, attached to the normal beige lining by a stalk) and one invasive colorectal carcinoma (the crater-like, reddish, irregularly shaped tumor located above the label)
Depending on the level of obstruction, bowel obstruction can present with abdominal pain, abdominal distension, and constipation.Bowel obstruction may be complicated by dehydration and electrolyte abnormalities due to vomiting; respiratory compromise from pressure on the diaphragm by a distended abdomen, or aspiration of vomitus; bowel ischemia or perforation from prolonged distension or ...
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]
It has been observed to occur as a complication of a left hemicolectomy. [1] References This page was last edited on 7 February 2023, at 15:31 (UTC). ...