Magnetic resonance imaging (MRI) is an extremely useful diagnostic imaging tool, performed an estimated 28 million times annually in the United States, enabling interpreting physicians to visualize ...

Generally, X-rays are used to examine bones, while MRI and ultrasound are used to look at softer tissues. But an emerging method is adapting X-ray to image soft tissue, so that its higher resolution ...

An MRI takes pictures using magnetic waves, not radiation. X-rays and CTs (also called CAT scans) both use radiation, although the levels in a CT can be 50 or more times higher than in an X-ray. That ...

A small, preliminary study of unselected patients undergoing right heart catheterization suggests that it may be possible to offer patients an effective, radiation-free alternative to the traditional ...

For women at high risk of breast cancer, use of magnetic resonance imaging (MRI) plus X-ray mammography for screening will detect more breast cancers than mammography alone, a new technology ...