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Doctor insights on: Ct Virtual Colonoscopy

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What is the risk of bowel perforation from CT colonography "virtual colonoscopy"??

What is the risk of bowel perforation from CT colonography "virtual colonoscopy"??

Not invasive.: A traditional colonoscopy is invasive; the fiber optic camera is passed through the colon, and therein causes the low risk of perforation of the colon. A CT colonography is not invasive; it's just a fancier CT scan, so there's nothing to directly cause a perforation. ...Read more

Dr. James Lin
1 doctor shared a insight

Computed Tomography (Definition)

Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more


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Would advanced colon cancer show up on a CT scan of my abdomen ? Reg CT scan not virtual colonoscopy.

Would advanced colon cancer show up on a CT scan of my abdomen ? Reg CT scan not virtual colonoscopy.

Imaging/biopsy: The imaging modality of ct scan could show findings that would be concerning for cancer, mass around your colon, enlarged lymph nodes in the same area. However, the diagnosis is made at biopsy, a piece of the mass under the microscope of a pathologist. Often the ct scan leads to the biopsy. Good luck, it is important to get the evaluation completed. ...Read more

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Please tell me if an abdominal CT is the same as a virtual colonoscopy?

Please tell me if an abdominal CT is the same as a virtual colonoscopy?

Not the same: An abdominal CT scan will visualize the pattern of the colon and bowel as it is situated in the peritoneal cavity. It does not visualize the content of the colon unless the lesion is so large that it distorts the shape of the bowel. Virtually colonoscopy allows visualization of the interior content of the bowel without actually employing a scope. ...Read more

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Please tell me if an abdominal CT with contrast the same as a virtual colonoscopy?

Please tell me if an abdominal CT with contrast the same as a virtual colonoscopy?

The same region: Is scanned, but the technical parameters are different, so they are not the same examinations. ...Read more

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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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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?

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

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


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