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Magnetic resonance imaging (MRI scan) is a diagnostic test that uses electromagnetic radio waves (i.e., electrical current and magnetism) to produce two- or three-dimensional (2-D or 3-D) computer images of internal body structures such as organs, muscles, bones, and nerves.

Magnetic resonance imaging can be performed on any part of the body and, unlike other imaging procedures (e.g., CT scan, x-ray), does not involve radiation. Compared to CT scan, MRI produces more detailed images of soft...Read the full article