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Computed tomography (CT) CT is a fast, painless, diagnostic exam that combines x-rays and computers to obtain a two dimensional image of specific areas of your body. This allows the radiologist to see detailed information that will help him or her determine if there are any abnormalities or disease in that area and the location, nature, and extent of them.
All you need to do is lie still on a table for approximately 10-30 minutes. The table top will move you through a gantry (shaped like a big donut) which houses the x-ray tube and a set of detectors. Images are acquired by detectors that pick-up the x-ray passing through your body. If you've had an MRI before, a CT scan is much quieter!
Some CT studies require a contrast agent to enhance the pictures that are taken of your body. You will receive special instructions if your exam requires you to consume an oral contrast agent in advance.
Three-dimensional reconstruction of the images can be done to better visualize your anatomy.
CT highlighting the carotid arteries.
CT of the abdomen, displaying the abdominal aorta and the kidneys.
Axial image of the abdomen.
CT of the knee.
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 | CT Exam |
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