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Abstract #0463

7 Tesla 31P Birdcage / 16-channel 1H Loop and Dipole Array integrated with Parallel Transmit System

Bei Zhang1, Tom Geraedts2, Wim Prins2, Conrad Gohl2, Bart-Jan van den Berg2, Paul Sanders2, Ivan Dimitrov2, Geert-Jan Plattel2, Daniel Lowrance1, Peter van der Meulen2, and Anke Henning1
1Advanced Imaging Research Center, UTSouthwestern Medical Center, Dallas, TX, United States, 2Philips Healthcare, Best, Netherlands

Synopsis

Keywords: RF Arrays & Systems, Parallel Transmit & Multiband, 31P/1H imaging, Dual-tuned array design, ultra-high field, parallel transmit system

Motivation: Integrating multinuclear applications into parallel transmit system (PTx) at ultra-high field MRI systems will provide uniform transmit field and good SNR for both proton and the x-nuclei.

Goal(s): Design, build and integrate a 7T 31P/1H head array into a 7T PTx system that supports multinuclear applications.

Approach: Use 8 loops and 8 folded dipoles as 1H transceivers, and a birdcage as 31P transceiver, for 31P/1H MRS and MRI in a 7T PTx system

Results: Phantom and in vivo experimental results show that the coil can provide homogeneous and good SNR signals for both 31P and 1H in ROI

Impact: Elevating multinuclear studies with 7T parallel transmit system, providing uniform transmit fields and good receive sensitivity profile for both proton and x-nuclei in ROI. A potential game-changer for metabolic studies in body applications at ultra-high fields, advancing medical research.

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