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A member asked:
Why does colonoscopy test show a blockage?
3 doctors weighed in across 2 answers
Why do colonoscopy?: When there is evidence of a colon blockage colonoscopy has the advantage of being able to see the cause of the blockage and do biopsies. The location can be seen on a ct scan or barium enema but those studies do not show the exact cause. Sometimes we can also open the channel temporarily to allow preparation for surgery more successfully.
Answered 9/3/2013
4.9k views
Cancer/ inflammation: Both cancer and noncancerous inflammatory conditions like diverticulitis can cause obstruction of the colon and symptoms associated with that obstruction. During colonoscopy, the obstruction will not allow the colon to distend properly allowing the operator to visualize the problem and biopsy any abnormality.
Answered 8/6/2018
4.9k views
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Can you please tell me, should a colonoscopy show everything a stool test would?
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