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Abstract #1130

In-vitro demonstration of explicit temperature control using pTx and temperature virtual observation points at 7T

Nicolas Boulant1, Vincent Gras1, and Pierre-Fran├žois Van de Moortele2

1NeuroSpin, CEA, Saclay, France, 2CMRR, University of Minnesota, Minneapolis, MN, United States

Recent numerical studies have shown that temperature could be controlled explicitly at the pulse design stage in parallel transmission, furthermore reporting that further scan performance could be gained if the more relevant safety metric that is temperature, instead of the specific absorption rate, was controlled. Bioheat models yet are still undergoing experimental validations. So as a first step, this work reports an experimental demonstration of flip-angle homogenization with temperature control on a water phantom with parallel transmission at 7T.

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