Wednesday, May 4, 2011

Faciing abnormal situation in flexible sigmoidoscopy

What if something abnormal is found during flexible sigmoidoscopy?

If the doctor finds an area in the colon that needs further evaluation, a biopsy (small sample of tissue) can be obtained and sent to the pathology department for examination under a microscope. If a polyp is found, the doctor may remove the polyp at the same time. Polyps are small growths on the inner lining of the colon and the rectum. Most polyps are benign (not cancerous), but some polyps are precancerous. Patients with precancerous polyps are usually asked to return for a colonoscopy after a more vigorous colon cleansing. Colonoscopy is a longer version of flexible sigmoidoscopy where the doctor examines the entire length of the colon. For more, please read the Colonoscopy article. The advantage of colonoscopy over flexible sigmoidoscopy is the ability to find and remove polyps in the parts of colon that are beyond the reach of the flexible sigmoidoscope. Removal of all of the precancerous polyps during colonoscopy has been shown to prevent colon cancer.

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