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magnetic resonance imaging (mag-NEH-tik REH-zuh-nunts IH-muh-jing)

 A procedure in which radio waves and a powerful magnet linked to a computer are used to create detailed pictures of areas inside the body. These pictures can show the difference between normal and diseased tissue. Magnetic resonance imaging makes better images of organs and soft tissue than other scanning techniques, such as computed tomography (CT) or x-ray. Magnetic resonance imaging is especially useful for imaging the brain, the spine, the soft tissue of joints, and the inside of bones. Also called MRI, nuclear magnetic resonance imaging, and NMRI.

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Magnetic resonance imaging (MRI) of the abdomen; drawing shows the patient on a table that slides into the MRI machine, which takes pictures of the inside of the body. The pad on the patient’s abdomen helps make the pictures clearer.




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