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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



proton magnetic resonance spectroscopic imaging  listen  (PROH-ton mag-NEH-tik REH-zuh-nunts SPEK-troh-SKAH-pik IH-muh-jing)

  A noninvasive imaging method that provides information about cellular activity (metabolic information). It is used along with magnetic resonance imaging (MRI) which provides information about the shape and size of the tumor (spatial information). Also called 1H-nuclear magnetic resonance spectroscopic imaging, magnetic resonance spectroscopic imaging, and MRSI.