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

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 ...

Brain scans are still important for bipolar disorder research. MRI and CT scans can provide detailed images of the brain and its structures. But currently, doctors don’t use them to diagnose ...

The reality star explained the tumors are "all metastases" of her melanoma and her doctors are "hopeful that immunotherapy ...