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Doctor insights on: Does A Colonoscopy Check The Small Intestine

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Does a colonoscopy check the small intestine as well?

Does a colonoscopy check the small intestine as well?

Not usually: The colonoscope can reach the last part of the small bowel but only for a few inches. ...Read more

Intestine (Definition)

The gastrointestinal tract starts at the mouth, travel down the tunnel (esophagus), which connects to the stomach, which then empties into the duodenum, jejunum, and ileum---the three parts of the small intestine (@25 feet). This empties into the colon or large intestine (about 5 feet), which then becomes the sigmoid colon, rectum and out the anus. So, every morsel eaten ...Read more


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When you have a colonoscopy does it include the small intestine?

When you have a colonoscopy does it include the small intestine?

No: The colon is the last 5 feet of the 20 foot long digestive tract. The colonoscope can be advanced to "peek" into the last few inches of the small intestine sometimes, but not routine. ...Read more

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What test looks at the small intestine? Colonoscopy can't see that far, right?

What test looks at the small intestine? Colonoscopy can't see that far, right?

Capsule endoscopy: Currently I use a small bowel follow through, ct enterpgraphy and video capsule endoscopy. If there is any positive finding, then a double balloon endoscopy or spirus endoscopy can be used to reach the lesion. ...Read more

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How far into the small intestine can a colonoscopy and endoscopy see?

How far into the small intestine can a colonoscopy and endoscopy see?

May reach...: ...both the 3rd portion of the duodenum from the top procedure, and terminal ileum from the bottom testing. That still however leaves most of the small bowel non-visualized by the routine studies you mentioned. ...Read more

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What causes hemorrhoids in the last part of the small intestine? I got a colonoscopy already

What causes hemorrhoids in the last part of the small intestine? I got a colonoscopy already

Hemorrhoids do not: Exist in the small bowel. They are only present at the anus, both internal and external. If something was found in the terminal ileum as you describe they are not hemorrhoids. Ask your doctor for clarification of the findings. ...Read more

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Had colonoscopy/endoscopy this year both clear Except for high lymphocyte count in small intestine-had colon cleanse 2day afterward had bloody mucus ?

Had colonoscopy/endoscopy this year both clear Except for high lymphocyte count in small intestine-had colon cleanse 2day afterward had bloody mucus ?

Why did you cleanse?: Your database suggests enteritis--an inflammatory condition of the small intestine (like Crohn's disease or infection, among others). Your bloody effluent after cleansing raises concern for ongoing/undertreated inflammation. Please don't cleanse again, but instead start appropriate medication for your condition--call your doctor today. ...Read more

Dr. Charles Cattano
1,988 doctors shared insights

Colonoscopy (Definition)

Colonoscopy is the procedure of using a long flexible camera to visualize the entire colon from the inside with the option to take pictures, video, perform biopsies, remove polyps, etc. Generally people are sedated and do ...Read more


Dr. Scott Keith
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Small Intestine (Definition)

The small intestine is the intestinal tract that lies between the stomach and the colon. It is involved in digesting and absorbing most of the nutrients we need ...Read more