The Food and Drug Administration said Tuesday that overdoses of radiation to more than 400 patients undergoing CT scans of their heads were due to operator error and ...

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 ...

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 ...

A CT scan is often one of the first imaging tests done during the diagnostic process. While a CT scan alone isn’t enough to diagnose pancreatic cancer, it can provide images that help doctors ...

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 normal CT scan is estimated to carry about 400 times as much radiation exposure as a chest X-ray. Some patients have thus received the equivalent of 3,200 chest X-rays, a dosage that carries a ...