A starry sky can be stunning—even inside a hospital emergency room.

They show up as bright white spots when you get a brain MRI: lesions called white matter hyperintensities, or WMH. And their ...

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 ...

Concussion patients can develop persistent, sometimes severe symptoms as a result of their head injury, but traditional tests often fail to identify which patients are most at-risk. Now, a group ...

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