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Abstract #1754

In vivo performance evaluation of silicon carbide dielectric pads for 7T MRI.

Zo Raolison1, Redha Abdeddaïm2, Marc Dubois2, Michel Luong3, Luisa Neves1, Franck Mauconduit3, Stefan Enoch2, Kaizad Rustomji1, Clarence Quinaux1, Nicolas Malléjac4, Pierre Sabouroux2, Fawzi Boumezbeur3, Patrick Berthault5, Mikhail Zubkov6, Anne-Lise Adenot-Engelvin4, Lucie Hertz-Pannier3, and Alexandre Vignaud3
1Multiwave Imaging, Marseille, France, 2Aix Marseille Université, Marseille, France, 3CEA-DRF/Joliot/Neurospin, Gif-sur-Yvette, France, 4CEA-DAM Le Ripault, Monts, France, 5CEA-DRF/IRAMIS/NIMBE/LSDRM, Gif-sur-Yvette, France, 6Faculty of Physics and Engineering, ITMO University, Saint Petersburg, Russian Federation

Dielectric pads have demonstrated to be a simple and yet efficient solution to mitigate locally RF transmission heterogeneities while using classic 7T MRI birdcage. Extensive research has not yet been carried on alternative candidate to water-based perovskites. The grail would be a long-lasting, comfortable, MR invisible, efficient, unalterable and high permittivity soft material. In this study, a novel material based on silicon carbide particles and addressing those requirements was successfully compared to perovskite pads from the literature in terms of B1+ homogeneity and image contrast through in vivo measurements.

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