Abstract #0170

Comparison of 3T whole body parallel transmit arrays based on measured data from full scale models

Eddy B Boskamp¹, Saikat Saha¹, Ricardo Becerra¹, and Michael Edwards¹

¹Engineering, GE Healthcare, Waukesha, WI, United States

In this study we are comparing 16 channel TEM, 8 channel TEM and 8 loop array pTx body coils based on experimental data obtained from full scale whole body prototypes as opposed to only simulation. Besides SAR, efficiency and uniformity, there are additional criteria to include when selecting a body coil for parallel transmit. Examples are star intensity artifact, E fields that heat up cables and baluns, VSWR, and perturbation sensitivity, which may make it impossible to build a certain design given obtainable tolerances.

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