Combined 8-channel transceiver fractionated dipole antenna array with a 16-channel loop coil receive array for body imaging at 7 Tesla
Ingmar J. Voogt 1 , Dennis W.J. Klomp 1 , Hans Hoogduin 1 , Mariska P. Luttje 1 , Peter R. Luijten 1 , Cornelis A.T. van den Berg 1 , and Alexander J.E. Raaijmakers 1
Imaging Division, UMC Utrecht, Utrecht,
We developed an 8-element transceiver fractionated
dipole array, combined with a detunable 16-element
receive-only loop coil array and evaluated it by
prostate imaging on six volunteers (BMI 22-32.8).
Reflection and coupling levels are low for all
investigated subjects. B1+ amplitude in the prostate
(after B1 shimming) ranges from 10 T (BMI 32.8) to 15.4
T (BMI 22). T2w prostate images are of good quality.
The SNR of this design is better than for a design with
antennas only (27 vs. 22). The good imaging performance
with extended acceleration potential make this array an
attractive design for body imaging applications.
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