Abstract #3005

Heteronuclear Proton MRI - SNR, temperature effects and frequency separation of UTE versus CSI readout

Tim Klasen¹, Carsten Höltke¹, and Cornelius Faber¹

¹Department of Clinical Radiology, University of Münster, Münster, Germany

Heteronuclear proton MRI is a recent method for MRI cell tracking and opens up the possibility for Multicolor MRI when using different Ln-DOTMA complexes. Here, we compare UTE and CSI as readout with regard to SNR efficiency, sensitivity towards temperature changes and performance in separating resonance lines from different Ln-DOTMA complexes at 9.4 T. UTE readout provides faster image acquisition and higher SNR efficiency than CSI. CSI on the other hand is insensitive to temperature changes. Multicolor MRI was possible with both readout schemes. Further studies will use these methods for in vivo cell tracking experiments.

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