A CT scan of the chest involves 10 to 15 millisieverts (a measure of dose) versus 0.01 to 0.15 for a regular chest X-ray, 3 for a mammogram and a mere 0.005 for a dental X-ray.

Yearly mammograms, although slightly uncomfortable and tedious, are a wealth of information for patients and providers, especially when it comes to cancer screenings. Some researchers, however, say ...

Discover a quick CT scan that reveals heart attack risk by detecting calcium buildup in arteries, offering a more accurate ...

To reduce unnecessary CT use, some hospitals have begun using blood-based biomarkers to guide triage in mild head trauma.

CT Scan Advisory On Monday the American Heart Association issued an advisory to doctors in its journal Circulation, urging the judicious use of CT scans for the diagnosis of cardiovascular disease.

CT scans also have supplanted exploratory surgery, Thomason said. "When my father was a general surgeon, they took so many patients to surgery (because) they had no idea what they had wrong with ...

Dear Abby is written by Abigail Van Buren, also known as Jeanne Phillips, and was founded by her mother, Pauline Phillips.

A new study suggests cancer risk from CT scans may have been overestimated. Dec. 1, 2010— -- Doctors have long known that CT scans can be a double-edged sword. Their diagnostic power is ...

As World Lung Cancer Day approaches on August 1, a spotlight is being cast on the importance of early detection in reducing ...

At similar radiation doses, ultra-low-dose chest CT provides superior image quality over chest x-rays in children with cystic ...

Shri rapax had bigger claws and potentially a stronger bite than its Hollywood relative. But paleontologists still don’t know ...