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Doctor insights on: Dangers Of Virtual Colonoscopy

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Is a CT scan dangerous to a 23 year old, (abdominal) virtual colonoscopy? How many standard x-rays equivelant roughly ?

Is a CT scan dangerous to a 23 year old, (abdominal) virtual colonoscopy? How many standard x-rays equivelant roughly ?

Does have some risks: Ct scans do expose you to a modest dose of radiation which is not harmful if you have good indications for doing this test and there is no better alternative. Virtual colonoscopy is not yet proven to replace standard colonoscopy. Moreover it is recommended only for over 50 years of age. Since you are 23 year old, you have to have a good reason to have virtual colonoscopy instead of regular exams. ...Read more

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Dr. Charles Cattano
1,990 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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What happens during a virtual colonoscopy?

Virtual: You are in a cat scanner, with air and sometimes contrast pumped into you. Unpleasant and not as accurate as a regular colonoscopy. Also, if something is found, youmwill need a colonoscopy anyway. ...Read more

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What is virtual colonoscopy? Is is reliable?

What is virtual colonoscopy? Is is reliable?

A special ct scan: Virtual colonoscopy is a ct scan of the colon. Unlike optical colonoscopy, the patient does not receive sedation and no polyps can be removed. However, virtual colonoscopy is an excellent tests for patients who are not physically able to undertake regular colonoscopy. ...Read more

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How exactly does a virtual colonoscopy work?

How exactly does a virtual colonoscopy work?

It is ct of thecolor: Bowel is prepared similar to colonoscopy.A ct is done on the colon. However polyps or cancers less than 1cms can be easily missed. ...Read more

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What can you tell me about a virtual colonoscopy?

What can you tell me about a virtual colonoscopy?

Not covered: by most insurance and Medicare as a screening tool. Not as accurate as a colonoscopy. requires a bowel prep also like a colonoscopy and is only diagnostic that is, can say you have a possible polyp. A colonoscopy can identify the polyps and remove them at the same time. Colonoscopy is still the gold standard in my opinion ...Read more

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Is a virtual colonoscopy more comfortable than a regular colonoscopy?

Same: Especially given Versed/fentynl sedation with regular colonoscopy But with virtual you can't biopsy polyps like you can with regular colonoscopu ...Read more

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Please name the pros/cons of a virtual colonoscopy vs a regular one? Which one would you recommend first or only? Why?

Pros and cons: Virtual colonoscopy pros: "safe"; cons: radiation (it's a ct scan, not covered by insurance, not as accurate, still need bowel prep real colonoscopy pros: therapeutic (if a polyp is found, it can be removed), covered by insurance. Cons: rare complications such as bleeding, perforation. Being a GI doc, I am naturally biased to latter. ...Read more

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I was wondering if a normal colonoscopy is painful and is a virtual colonoscopy as accurate as a normal colonoscopy and can it detect any cancer?

I was wondering if a normal colonoscopy is painful and is a virtual colonoscopy as accurate as a normal colonoscopy and can it detect any cancer?

Not painful: No colonoscopy is a painless procedure(it is done under sedation, so you would not feel anything). Virtual colonoscopy is still not a well established procedure although it does come 90 close to standard colonoscopy in its accuracy and reliability. ...Read more

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Dr. Michael Puckett
42 doctors shared insights

Virtual Colonoscopy (Definition)

A virtual colonoscopy is a specialized abdominal ct scan. Using special software the abodminal ct images can be read for colon ...Read more