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 ...

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 ...

Forbes contributors publish independent expert analyses and insights. Dr. Omer Awan is a practicing physician who covers public health. Lung Cancer, Scan, Essay Can Be Used Only To Illustrate Cancer, ...

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 ...

DEAR MAYO CLINIC: I’m scheduled for a CT scan, and I’ve never had one before. What does a CT scan do, what will it be like and is it safe? ANSWER: Co mputer tomography (CT) was invented more than 50 ...

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 ...

CT scans are a vital part of modern medicine. Found in every hospital and many clinics, they give doctors a fast and detailed look inside the body—helping to diagnose everything from cancer and ...