Most people who get a contrast-enhanced scan notice something within seconds of the injection — a wave of warmth, a strange metallic taste, maybe a mild wave of nausea. These are acute reactions, and ...

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 ...

A new analysis estimates that more than 100,000 cancer cases per year could be caused by radiation from CT scans. In some cases, the information provided by a CT scan could also be obtained from other ...

If you have stomach cancer, you have a higher chance of being cured if your healthcare team detects it early. A CT scan is often part of the diagnosis. Stomach cancer, or gastric cancer, happens when ...

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 ...

A low-dose computed tomography (low-dose CT) scan is a test that healthcare professionals use to screen for lung cancer. It works similarly to a regular-dose CT scan but emits much less radiation. The ...