Healthcare professionals use MRIs to get images of internal organs and tissues, while MRAs help them to check blood vessels in detail. Both an MRI (magnetic resonance imaging) and MRA (magnetic ...

Different approaches to gray and white matter measurements in magnetic resonance imaging (MRI) have been studied. For clinical use, the estimated values must be reliable and accurate when, ...

MRI machines were invented in the mid-to-late 1900s when scientists found a way to use magnets and radio waves to make images. When you undergo an MRI, your doctor can see detailed images of your ...

Experiments in dogs, rabbits and monkeys show the efficacy and biocompatibility of a new MRI/MRA contrast agent in detecting stroke. This T1 MRI contrast agent based on ultrasmall iron oxide ...