Abstract #3986

Comparison of quantitative imaging methods of sodium concentration in leg muscle

Ryan J. Larsen¹, Luis M Perez², Kenneth R. Wilund³, Theodore C. Claiborne⁴, and Brad P. Sutton^1,5

¹Beckman Institute, University of Illinois at Urbana-Champaign, Urbana, IL, United States, ²Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United States, ³The Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, United States, ⁴Center for MR Research, University of Illinois at Chicago, Chicago, IL, United States, ⁵Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL, United States

Quantitative imaging of tissue sodium content requires corrections for coil loading. This can be done by introducing external calibration standards within the scan, or by employing the principle of reciprocity to normalize the signal by the voltage required to obtain a signal maximum. A direct comparison of these two quantification methods shows that they are highly consistent.

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