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Magnetic Resonance Angiography

Magnetic resonance imaging (MRI) is a method of producing highly detailed images of the body without the need for x-rays. During an MRI exam radio frequency pulses are coordinated with magnetic field manipulations ("pulse sequences") that result in minute radio frequency emissions from the body part being examined. Computer processing of these radio frequency patterns results in detailed 2D and 3D images of the body part being examined. MR angiography (MRA) utilizes "pulse sequences " specifically designed to show the arteries and veins of the examined body part. MRA techniques have dramatically improved over the last several years and MRA is now being used to non-invasively detect and diagnose disorders of the blood vessels without the need for more invasive conventional catheter angiography. The MRI/MRA procedure is painless, and the diagnostic MR exam is not known to cause tissue damage of any kind. Researchers at TWH are at the forefront in MRA research and are working toward development, refinement and evaluation of MRA techniques that will in the future replace conventional catheter angiography in the diagnostic work-up of vascular disease.

Example of MRA
Click to see enlarged image

Example of MRA
Click to see enlarged image