Virtual Colonoscopy

virtual. Colonoscopy. National Clearinghouse information about digestive diseases. U.S. Department of Health and. Human Services. NATIONAL. Institutes. HEALTH ….

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Virtual Colonoscopy, contents:

  • What is virtual colonoscopy?
  • What are the colon and rectum?
  • What is computerized tomography (CT)?
  • What is magnetic resonance imaging (MRI)?
  • How to Prepare for Virtual Colonoscopy
  • How is virtual colonoscopy performed?
  • How is virtual colonoscopy different from conventional colonoscopy?
  • What are the advantages of virtual colonoscopy?
  • What are the disadvantages of virtual colonoscopy?

Points to Remember

  • Virtual colonoscopy is a procedure used to look for signs of pre-cancerous growths, called polyps; cancer; and other diseases of the large intestine.
  • All solids must be emptied from the gastrointestinal (GI) tract by following a clear liquid diet for 1 to 3 days before virtual colonoscopy.
  • Virtual colonoscopy does not require insertion of a colonoscope or sedation.
  • During virtual colonoscopy, a tube is inserted into the rectum to expand the large intestine with gas or liquid.
  • Virtual colonoscopy does not allow the doctor to remove tissue samples or polyps.
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