Abstract #1837

Exploring sodium SSFP MRI in phantoms at 3 Tesla

Rahel Heule^1,2, Philipp Madörin^1,2, and Oliver Bieri^1,2

¹Division of Radiological Physics, Department of Radiology, University of Basel Hospital, Basel, Switzerland, ²Department of Biomedical Engineering, University of Basel, Basel, Switzerland

While the steady-state free precession (SSFP) dynamics of spin-1/2 nuclei such as ¹H obey the Bloch equations, a similar mathematical framework for describing and understanding the characteristics of ²³Na SSFP signal behavior is not yet available. In this work, sodium MRI probes were investigated and, in particular, a novel class of phantoms was presented that proved the ability to generate high sodium signal at 3 Tesla without impairment due to the skin effect. By means of balanced SSFP frequency profile measurements, the potential of the novel phantoms to explore ²³Na SSFP was demonstrated.

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