also called a CAT scan (computerized axial tomography). It was especially useful for looking at head injuries and brain problems, because it showed about 100 times greater detail in soft tissues ...

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

"CT can save lives, but its potential harms are often overlooked," said Dr. Rebecca Smith-Bindman, the study's lead author and a UCSF radiologist. Smith-Bindman, who also ...