Dictionary of Cancer Terms
View in Spanish: Imaginología espectroscópica por resonancia magnética con protones
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 1H-nuclear magnetic resonance spectroscopic imaging, magnetic resonance spectroscopic imaging, and MRSI.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.