Abstract #1239

RF shimming in the spinal cord at 7T

Daniel Papp¹, Gaspard Cereza¹, Alexandre D'Astous¹, Eva Alonso-Ortiz¹, and Julien Cohen-Adad^1,2,3,4

¹NeuroPoly Lab, Institute of Biomedical Engineering, Polytechnique Montreal, Montreal, QC, Canada, ²Mila - Quebec AI Institute, Montreal, QC, Canada, ³Functional Neuroimaging Unit, Centre de recherche de l'Institut universitaire de gériatrie de Montréal, Montreal, QC, Canada, ⁴Centre de recherche du CHU Sainte-Justine, Université de Montréal, Montreal, QC, Canada

Synopsis

Keywords: Parallel Transmit & Multiband, Spinal CordSpinal cord MRI at 7T suffers from Tx inhomogeneity. RF shimming is therefore potentially useful in this region. Here, we evaluate for the first time the effect, both on signal intensity and signal homogeneity, of multiple RF shimming algorithms implemented in the open-source ‘Shimming Toolbox’, and compare the results with vendor solutions.

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