Computed tomography (CT) scans and magnetic resonance imaging (MRI) are two types of imaging procedures. They both create detailed images of the internal body structures. While CT scans use X-rays to ...

Some types of scans include X-rays, computed tomography (CT), magnetic resonance imaging (MRI), and ultrasound scans. Medical professionals use scans to help diagnose a range of health conditions.

How a centuries-old math puzzle helped us see inside the human brain. By Steven Strogatz Photo illustrations by Jens Mortensen Each installment of “Math, Revealed” starts with an object, uncovers the ...

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 ...

Please provide your email address to receive an email when new articles are posted on . CT head scans were ordered in approximately 175 million ED encounters. Patients who received scans were mainly ...