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 ...

What are the typical radiation doses associated with CT examinations? CT scans of the head, for example ... should be kept as low as reasonably achievable (the ALARA principle) without compromising ...

Exposure to radiation from head or neck CT imaging increased risk for childhood brain tumors, according to results of a ...