President Trump says he underwent a CT scan, rather than an MRI, during his October examination at Walter Reed National Military Medical Center. In a new interview, he also says it would have been ...

Trump had maintained that he received an MRI in October. For weeks, President Donald Trump has said that he received an MRI at Walter Reed National Military Medical Center in October, but when asked ...

A returning feature in Metroid Prime 4: Beyond is the ability to scan important items, enemies, and allies into a comprehensive Scan Logbook to reveal essential information about the world, and to ...

A positron emission tomography (PET) scan is a diagnostic tool that examines body tissue functioning, such as blood flow, oxygen use, and sugar metabolism, to help doctors diagnose and treat disease.

Semiconductor detectors that directly measure the electrical signals produced by X-rays have hugely improved the resolution and contrast of computed tomography scanners. In the 1970s computed ...