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 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 ...

CT scans show detailed internal pictures and are usually essential in diagnosing life-threatening illnesses, such as internal bleeding, blood clots, or cancer. Although it is true that they expose ...

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 ...

Forbes contributors publish independent expert analyses and insights. Paul Hsieh, M.D., covers healthcare economics, innovation, and policy. Radiologists have fielded numerous questions in recent ...