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Vortrag

RF shimming of the neck using a 2 and a 4 channel travelling wave neck array at 7T MRI

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons84402

Bluemink JH, Boer VO, Raaijmakers A, Henning,  A
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Zitation

Koning, W., Bluemink JH, Boer VO, Raaijmakers A, Henning, A., Zwanenburg JJM, van den Berg CAT, Luijten, P., & Klomp, D. (2012). RF shimming of the neck using a 2 and a 4 channel travelling wave neck array at 7T MRI. Talk presented at 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012). Melbourne, Australia.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-B752-5
Zusammenfassung
For neck imaging with 7T MRI the versatility of 2 and a 4 channel transmit array was evaluated. The array consists of a neck pillow filled with D2O. The pillow acts as a leaky waveguide in which a wave is fed by 2 or 4 radiative antenna’s. RF shimming is used to demonstrate versatility: focussing the RF with the 2 channel system allows imaging of carotids and spine. Going from 2 to 4 channels allows for homogeneity improvement and reduction of SAR.