FAQ > Colon (12 entries)
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How often should I have a colonoscopy? It depends on the situation and the clinical setting. There is a great deal of confusion and disinformation on this topic. ...
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Years ago my internist said that I should have a flexible sigmoidoscopy every three years by him. Now he tells me that I should see a gastroenterologist for a colonoscopy. Why ...
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How often should I move my bowels? Many people believe they are constipated if they do not have a bowel movement every day. That belief stems from a ...
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I have hemorrhoids, and I bleed from the rectum. How can I tell if the bleeding comes from my hemorrhoids? The first time this question arises, the safest ...
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What is the difference between a colonoscopy and a flexible sigmoidoscopy? The flexible sigmoidoscope is two feet long and only reaches part of the colon. The colonoscope is ...
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What is virtual colonoscopy? Virtual colonoscopy is not a colonoscopy at all. It is an air contrast barium cat scan (computerized tomography x-ray test) of the abdomen. It ...
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What is the advantage of a virtual colonoscopy? When it comes to the individual patient, none. The government has hoped to find an inexpensive colon cancer screening technique ...
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If virtual colonoscopy has all of these disadvantages and no real advantages compared to standard colonoscopy, why is the virtual examination getting so much publicity? Barium enema was ...
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What is the difference between diverticulosis and Diverticulitis? In middle age, about 50% of people experience thickening of the circular muscles in the sigmoid colon. These thick muscles ...
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What is the difference between a polyp and a diverticulum? A polyp is a solid growth which arises from the lining tissue of the esophagus, stomach, small bowel ...
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What is a hemorrhoid? A hemorrhoid is a dilated or varicose vein which arises in the rectal area. When the vein becomes stretched, it may rupture; this results ...
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What is the difference between an internal and an external hemorrhoid? The junction between the skin of the anus and the glandular tissue is called the "Z line." ...