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 ...

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 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 ...

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 hot potato: A new study from UC San Francisco is raising alarms about the widespread use of computed tomography (CT) scans in the United States, warning that the technology may be responsible for as ...

A new UK study by the Institute of Cancer Research (ICR) in London has made a startling discovery: computed tomography (CT) scans, a ubiquitous medical imaging device available in hospitals and ...

Computed tomography (CT) examinations (known more commonly as a “CT scan” or “CAT scan”) incorporate a series of x-ray images taken of areas inside the body and use a computer to create a ...

A population-based cohort study evaluated the risk for spontaneous pregnancy loss and congenital anomalies in offspring of women exposed to computed tomography (CT) ionizing radiation before ...

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 ...

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 ...

Radiation from CT scans may account for 5% of all cancers annually, according to a new study out of UC San Francisco that cautions against overusing and overdosing CTs. The danger is greatest for ...