A 40-year-old member asked:
what is the difference between a barium enema and a virtual colonoscopy?
1 doctor answer
Dr. Michael Gabor answered
33 years experience Diagnostic Radiology
CT colonoscopy: is a CT scan with specific technical parameters. There is a bowel prep to clear out the colon, and a tube is placed into the rectum to fill the colon with air. A barium enema uses x-ray/fluoroscopy instead of CT. With a rectal tube, the colon is filled with barium and air, and the patient placed in different positions for viewing. Barium enema has been largely replaced by colonoscopy.
Answered on Oct 5, 2015
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