Computed tomography (CT) scans and magnetic resonance imaging (MRI) are two types of imaging procedures. They both create detailed images of the internal body structures. While CT scans use X-rays to produce the images, MRIs use magnetic fields and radio ...

Preparation guidelines for a CT scan depend on the type of scan you’re having. If you’re having a bowel scan or a scan with contrast dye, you may need to adjust your diet. Preparation for a CT scan (aka CAT scan) will depend on the type of scan you ...

Patients are exposed to 2% of the radiation of a normal CT scan TUESDAY, March 18, 2025 (HealthDay News) -- Low-dose CT chest scans could help detect pneumonia in at-risk patients while exposing them to small amounts of radiation, a new study says.

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 is right, routine CT scans belong on that list, too ...

Computed tomography (CT or CAT) scans help doctors detect everything from cancer to kidney stones. But some physicians are raising concerns about the safety of such procedures — most notably, an increase in cancer risk. A CT scan packs a mega-dose of ...

(Gray News) - CT scans could be an “important cause of cancer” in the United States, according to a new study. According to the study by scientists at the University of California, San Francisco, CT scans could account for 5% of cancer cases in the U.S ...

Computed tomography (CT) scans may account for 5% of all cancers annually, according to a new study out of UC San Francisco that cautions against overusing and overdosing CTs. The danger is greatest for infants, followed by children and adolescents.