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Colonoscopy and Virtual Colonoscopy

Advantages And Disadvantages Of A Colonoscopy

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Advantages of a colonoscopy

The advantages of a colonoscopy are:

  • The most complete screening method available
  • This test allows the doctor to view the rectum and the entire colon.
  • The doctor can also perform a biopsy and remove polyps or other abnormal tissue during the test, if necessary.
  • Sedation is given to the patient to minimize discomfort
  • Test is one of the most sensitive tests currently available.

 Disadvantages to a colonoscopy

The disadvantages of a colonoscopy include:

  • The test may not detect all small polyps, nonpolypoid lesions, and cancers.
  • The  accuracy of the test is dependent on the skill of the doctor doing the colonoscopy, amount of time insi and amount of time to withdraw the scope.
  • Thorough cleansing of the colon is necessary before this test. Cleansing typically requires one day of clear liquids and laxative preparation.  Laxatives are medications that increase the action of the intestines or stimulate the addition of water to the stool to increase its bulk and ease passage.
  • Some form of sedation is used in most cases.
  • A day is needed for the procedure and recovery from sedation.
  • A ride home from the medical facility is required if sedation is used.
  • Although uncommon, complications can occur such as bleeding and/or tearing of the lining of the colon. 

 


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