Patients will no longer need to undergo repeated CT (computed tomography) or MRI (magnetic resonance imaging) scans when transferring between hospitals. This change follows the introduction of a ...

Medical imaging scans that create detailed images of the body’s internal structures are widely used in medicine. Doctors need them to detect and manage certain types of cancer, assess the extent of ...

About 40% of cancers among Americans can be attributed to potentially modifiable factors such as smoking, drinking, obesity, and physical inactivity. If a widely reported study from earlier this year ...

A new UCSF study estimates that CT scans performed in a single year could lead to more than 100,000 future cancer cases, reflecting a sharp rise in their use and higher radiation doses. As CT scans ...

Are there any guidelines for doing a CT scan of the head in an elderly patient with dementia who has no sign of head or other injury following a witnessed or unwitnessed fall? What is the standard of ...