Preparation guidelines for a CT scan depend on the type of scan you’re having. If you’re having a bowel scan or a scan with contrast dye, you may need to adjust your diet. Preparation for a CT ...

Computed tomography -- also known as computed axial tomography, a CT scan, or a CAT scan -- is a tool doctors use to diagnose many types of health problems. Special X-ray equipment creates images ...

Imaging can be performed at multiple time points before and after the injection of the contrast material. Each examination involves sets of images referred to as a "series." Multiple series should be ...

Hounsfield called this technology a CT (computerized tomography) scan, also called a CAT scan (computerized axial tomography). It was especially useful for looking at head injuries and brain ...

A 34-year-old woman named Leigh Rodgers died following a severe allergic reaction to an iodine-based contrast dye used during ...