Although the large majority of these children have fairly minor head injury, an increasing number have been undergoing head CT scans ... data from the first 21 months of the study to develop ...

There is a positive association between exposure to at least 1 head/neck CT scan and the risk for pediatric brain tumors.

It combined x-ray images with a computer ... circular cyst in her brain. Hounsfield called this technology a CT (computerized tomography) scan, also called a CAT scan (computerized axial tomography).