When it comes to diagnosing dangerous dental infections, emergency physicians often overuse conventional CT scans. Could a list of standardized guidelines help reduce unnecessary radiation exposure ...

New concerns about radiation exposure from computed tomography (CT) surfaced last week following the release of two studies that found that multislice CT scans cause much more cancer than previously ...

That overlap matters because roughly 19 million noncardiac chest CTs are performed each year in the United States. Every one of those scans passes through the heart. The presence of calcium is visible ...

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 ...