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 ...

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 ...

[Pyrotechnical] thought about buying a CAT scanner and found out they cost millions of dollars. So he decided to build one for about $200 using a salvage X-ray tube and some other miscellaneous parts.

The scans are estimated to cause 2% of annual cancers — but new measures could keep radiation at safer levels.

Researchers warn that radiation from the machines can increase cancer risk. New Medicare rules aim to make these imaging ...

ST. ALBANS — Northwestern Medical Center recently completed an upgrade project to replace its CT (Cat Scan) equipment, ...

At a median follow-up of 55 months, patients with a positive PET-CT scan had a 6.7-times increased risk of dying compared with patients with a negative PET-CT scan. At 4 years, 63.4% of those who ...