Abstract #3356

MRI System Phantom: assessing the MR visible thermometer, scanner geometric distortion corrections, and effect of fill conductivity

Stephen E Russek¹, Kathryn E Keenan¹, Karl F Stupic¹, Teryn S Wilkes², Ramesh Karki³, and Todor Karaulanov⁴

¹NIST, Boulder, CO, United States, ²Intermountain Neuroimaging Consortium, University of Colorado, Boulder, CO, United States, ³University of Colorado Anschutz, Radiological Sciences, Aurora, CO, United States, ⁴CaliberMRI, Inc., Boulder, CO, United States

Using the MRI system phantom we demonstrate the utility of the embedded MR-readable thermometer to measure and correct for temperature variations, demonstrate the use of the fiducial array to characterize scanner geometric distortions and the efficacy of software distortion corrections, and finally look at the effect of the electromagnetic properties of the phantom fill on quantitative measurements.

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