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Abstract #2426

Considerations for Parallel Imaging when using High Permittivity Pads in the Thighs at 3 T

Wyger Brink 1 , Maarten J Versluis 1,2 , Johannes M Peeters 2 , Peter Brnert 1,2 , and Andrew Webb 1

1 Radiology, Leiden University Medical Center, Leiden, Netherlands, 2 Philips Healthcare, Best, Netherlands

The use of dielectric pads substantially improves transmit homogeneity in the thighs. However, it compromises the receive homogeneity of the body coil. If uncorrected, this can degrade image quality when using parallel imaging techniques which rely on body coil information for calibration purposes. A correction procedure using prior knowledge of the body coil reception profile confirms this effect and restores image uniformity.

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