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 ...

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 ...

* New studies prompt concern about cancer risk from CT scans * Experts say an individual's cancer risk is low from CT scan * Use of CT scans has soared in past three decades By Julie Steenhuysen ...

While these advanced imaging tools save lives by detecting injuries and illness, mounting evidence suggests they may come with long-term consequences that patients need to understand before agreeing ...

CT scans are one of the most effective medical tools available today, providing an in-depth look inside the human body to spot tumors, detect brain bleeds and other ailments. But a new study suggests ...

Radiation from 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 ...

A older patient is guided into a CT scanner — an essential diagnostic tool whose life-saving power is now being weighed against growing concerns about long-term radiation exposure. Computed tomography ...

The CME/CE program cited below, which was developed for Medscape by Richard Semelka, MD, University of North Carolina, Chapel Hill, has awarded close to 8000 credits to participant in only a couple of ...

A hot potato: A new study from UC San Francisco is raising alarms about the widespread use of computed tomography (CT) scans in the United States, warning that the technology may be responsible for as ...

FRESNO, Calif. (KFSN) -- About 500,000 children per year end up in ERs because of head injury. And about half of them undergo a CT scan. But the American Academy of Pediatrics reports that a third of ...

Women who undergo CT scans shortly before they get pregnant may be more likely to experience miscarriage and have babies with birth defects, a large new study suggests. Computed tomography (CT) scans ...

CHICAGO (Reuters) - Patients should not let recent studies showing that exposure to radiation from a CT scan may raise their cancer risk scare them away from getting this type of X-ray when it is ...