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Abstract #1326

Performance comparison of a form fitted coil array vs. a quadrature birdcage coil for 31 P MRS studies in the human calf at 7T

Sigrun Goluch 1,2 , Andre Kuehne 1,2 , Ewald Moser 1,2 , and Elmar Laistler 1,2

1 MR Center of Excellence, Medical University of Vienna, Vienna, Vienna, Austria, 2 Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria

This work compares the performance of a 3 channel transceive 31 P surface coil with a comparable sized 16-leg birdcage for the application in 31 P localized spectroscopy experiments in the human calf at 7T with 3D electromagnetic simulation. B 1 + as well as SNR calculation for a comprehensive investigation is presented for both designs, showing higher B 1 + and SNR in the regions of interest for the surface coil, while as expected the birdcage exhibits better homogeneity. Since the ROIs are small voxels the advantage of better homogeneity is of minor importance compared to high sensitivity in terms of B 1 + and SNR.

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