Virtual Colonoscopy
General Information
Colonoscopy is an endoscopic procedure that visually examines the entire colon. The preparation is with an oral solution that removes the waste from the colon. The inside of the colon is then examined for any abnormalities that may exist. During this procedure, polyps may be safely removed. This procedure is commonly performed for evaluation of abnormal radiographic studies, removal of polyps, assessment of bleeding and screening for colon cancer.
Indications
Colonsocopy is indicated for patients with inflammatory bowel disease, GI hemorrhage, polyp removal, screening for colon cancer and evaluation of abnormal x-rays of the GI tract.
Other Methods of Evaluation
An alternative exam to assess the colon is the barium enema. CT scans of the abdomen and pelvis are useful but do not always provide sufficient information about the colon itself. CT scans are not a good test for looking at tubular structures. They are, however, excellent tests for looking at structures surrounding the colon and intestines.
Before the Procedure (Preparation)
An oral laxative solution is given the day before the procedure. This will cleanse the waste from the colon. It is important that the preparation be followed completely. This procedure examines the inside of the colon. Thus, if feces are retained, or the preparation is inadequate, areas of the colon that may be of importance to your health may be missed or misinterpreted. Usually the preparations given for these are excellent. If you have specific difficulties with laxatives or the preparations, please inform your physician beforehand so that alternatives can be addressed.
Please make sure that your physician knows well beforehand if you are taking any blood thinners. Specific instructions regarding the preparation are available in the section regarding preparations for procedures.
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Other Endoscopic Procedures
- Colonoscopy |
ERCP |
Esophageal Manometry |
EGD |
Flexible Sigmoidoscopy |
Liver Biopsy
Related Links
- Definitions |
Non-Steroidal Anti-Inflammatory Drugs
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