Definition of proton magnetic resonance spectroscopic imaging

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proton magnetic resonance spectroscopic imaging (PROH-ton mag-NEH-tik REH-zoh-nants 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 magnetic resonance spectroscopic imaging, 1H-nuclear magnetic resonance spectroscopic imaging, and MRSI.

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