Your doctor may choose a CT scan over an MRI (magnetic resonance imaging ... you may need to drink a large glass of oral contrast. This is a liquid that contains either barium or an iodine ...

Instead, they are more likely to use MRI or CT scans. A PET scan involves injecting ... A barium enema involves using a chalky contrast material to help outline the colon and highlight any ...

But an MRI scan might be useful alongside a CT scan in certain situations. For example when a patient can’t have the contrast medium used for the CT scan. We have based this summary on information ...

A CT scan, computed tomography ... New technology has made it possible for a computer to take CT images of the colon and reconstruct a three-dimensional model of your colon -- called a virtual ...

The scan produces highly detailed images from every angle. Depending on the purpose of the scan, a doctor may recommend contrast ... unlike CT scans and X-rays. MRI scans use strong magnetic ...

Cancers predicted to arise from the excess radiation included lung, colon ... from attending a scan that could provide early diagnosis of cancer. 'Anyone undergoing a CT scan must be provided ...

Cross-sectional imaging with multiplanar reconstruction capability via CT or MRI has become ... Once contrast in the aorta is visualized, it acts as a trigger to scan the renal system in the ...

You might have an injection of a special dye called a contrast medium before the scan. This is to help make the scan pictures clearer. In some situations, your doctor may suggest an MRI scan if a CT ...

Scheduled for an MRI? You may be wondering what to ... as metallic ink can potentially heat up during the scan,” Connor says. Unlike X-rays and CT scans, MRIs do not emit radiation.