Full body CAT scans are popular because they spot tiny tumors and other problems other tests miss. A new study finds the level of radiation from the scans may cause other problems. Bernie Deubel's ...

How do you distinguish between a CT scan and an MRI scan? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world.

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 ...

There were about 70 million CT scans performed in United States in 2007 - up from just 3 million in 1980. The scans, also known as CAT scans can help doctors identify tumors and internal injuries ...

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 ...

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, ...