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Doctor insights on: New Non Invasive Colonoscopy

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Colonoscopy? What is the most un-invasive method to get a colonoscopy?

A : A colonoscopy is always invasive. It is a scope with a light and camera on it that goes into the rectum and all around the colon looking for abnormalities. If they are found then most of the time it can be used to remove or biopsy the abnormality. Other tests that look at the colon that are not as invasive are xray studies including a barium enema or ct colonography. These tests can see lesions but cannot do anything about them and colonoscopy is then needed to remove the lesions. ...Read more

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Dr. Charles Cattano
1,965 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


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I've read various stories on less invasive colonoscopy procedures out there. Can you help me better understand their effectiveness verus traditional?

Effective: Traditional colonoscopy is still most reliable way of evaluating your colon, but it has very slight risk .Other way is "virtual colonoscopy " which involves swallowing a capsule which is actually a small camera going thru your intestines and taking pictures. Of course you have to collect the capsule camera on its way out. Insurances usually do not cover it yet.But it's safe ...Read more

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Can Crohn's be diagnosed without colonoscopy or other invasive testing procedures?

Can Crohn's be diagnosed without colonoscopy or other invasive testing procedures?

Diagnosis suspected : ...If your GI imaging radiograph (ct enterography, mr enterography, small bowel study) shows "skip lesions" ; if your ibd markers are consistent with crohn's, however, there is no substitute for procedural evaluation at which time visual inspection can be accurately assessed ; biopsies taken. Finding granulomas on those biopsies is highly supportive of a crohn's diagnosis then. ...Read more

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I did colonoscopies 6 and 2 years ago, hemorrhoids found, haven't treated them. Now, positive FOBT. Shall I have a new colonoscopy? 46 yo.

I did colonoscopies 6 and 2 years ago, hemorrhoids found, haven't treated them. Now, positive FOBT. Shall I have a new colonoscopy? 46 yo.

No: The short answer is not now. Alternate tests, such as CBC with iron studies, repeating occult blood testing with a different kit and eventually a capsule endoscopy only after you completed treatment as started for H pylori gastritis would be advisable. Constipation should be avoided as much as possible. ...Read more

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Is it necessary to get a colonoscopy every 3 yrs as my doc recs? He found polyps and says yes. But it's expensive and invasive. Is there cheaper way?

No cheaper way: Colonoscopy is the best way to screen for colon cancer. How often you repeat a colonoscopy depends on the number of polyps and type. Every three years is within the recommended range. Seems like your doctor is well informed. We all hope that there was another way to do this but unfortunately there is not. ...Read more

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Are there less invasive and less expensive options for preventative screening colonoscopies?

Yes: Double contrast barium enema xray or ct colonography however if some thing is found on either of the above, you will still need a colonoscopy. If either are negative, there is no guarantee that something wasn't missed due to the prep or performance of those studies. Colonoscopy is the gold standard. ...Read more

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I feel colonoscopy is invasive. Are there less embarrassing ways to look for colonic polyps?

I feel colonoscopy is invasive.  Are there less embarrassing ways to look for colonic polyps?

Possibly: For a full evaluation of your colon, a virtual colonoscopy or ct colonography may be an option. This is a specialized examination using the ct scanner performed by certain centers. Ask your doctor if this option is available in your area. ...Read more

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