March is National Colorectal Cancer Awareness Month: Do You Know What Your Screening Op...(ound the doctor can remove it immediatel...),Health

Date:3/6/2009

ound, the doctor can remove it immediately. The polyp is usually removed with small biopsy forceps or loop of wire (snare) that is advanced within a channel in the colonoscope. The polyp is then sent to a lab where a doctor called a pathologist looks at it under a microscope for analysis. If anything else looks abnormal, a biopsy (tissue sample) might be done. To do this, biopsy forceps are placed in the colonoscope and a small piece of tissue is removed. The tissue is sent to the lab for evaluation. Colonoscopy is typically done with sedation and is well-tolerated. You will be given medicine that is injected through a vein to make you feel relaxed and sleepy.

PROS:

• Examines the entire colon, making this the most thorough method for evaluating the colon and rectum
• High detection rate for polyps, including small polyps, and ability to remove them immediately during the procedure
• Typically done with intravenous sedation to assure comfort during the exam
• Given the "Gold Standard" rating above all other screening options by: American Society for Gastrointestinal Endoscopy (ASGE), American Gastroenterological Association (AGA), American College of Gastroenterology (ACG), the American Cancer Society (ACS), and the American College of Obstetricians and Gynecologists (ACOG).

CONS:

• Requires a complete bowel prep the night before to cleanse the colon
• Unexpected events or complications are rare, but do occur and may include:
  • Missing a lesion
  • Making a tear in the lining of the colon, which is called perforation
  • Bleeding
  • A bad reaction to the medication used for sedation

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SOURCE American Society for Gastrointestinal Endoscopy Copyright©2009 PR Newswire. All rights reserved

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