A theoretical framework to investigate the effect of high permittivity materials in MRI using anatomy‐mimicking cylinders
Vincenzo Miranda,
Giuseppe Ruello,
Riccardo Lattanzi
Abstract:PurposeRecent numerical and empirical results proved that high permittivity materials (HPM) used in pads placed near the subject or directly integrated with coils can increase the SNR and reduce the specific absorption rate (SAR) in MRI. In this paper, we propose an analytical investigation of the effect on the magnetic field distribution of a layer of HPM surrounding an anatomy‐mimicking cylindrical sample.MethodsThe study is based on a reformulation of the Mie scattering for cylindrical geometry, following a… Show more
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