What is a 'CT scan'?

What is a 'CT scan'?

Kenneth W. Chin (M.D., F.A.C.R.) gives expert video advice on: What is a CT scan used for?; Does the radiation involved with CT scans pose a health risk?; Is a CT scan done differently on children? and more...

CT scanning or also known as CAT scanning or computer tomography, involves an X-ray tube that turns 360 degrees around the patient. Information is acquired in this fashion and this can then be reconstructed into cross-sectional images of the body.