Deuterium 1‐Channel Transmit/16‐Channel High Impedance Receive Array Combined With 16‐Channel 1H Dual‐Row Transceiver Array for 7 Tesla Brain Imaging
Bei Zhang, Wenkai Liang, Chichen Dong, Anke Henning
TL;DR
This paper introduces a new coil setup for 7 Tesla MRI that allows high-quality deuterium metabolic imaging without compromising hydrogen anatomical imaging.
Contribution
A novel 2H/1H coil configuration combining transmit and receive arrays for 7T brain imaging is developed and validated.
Findings
Simulations and experiments confirmed good transmit efficiency and image quality.
In vivo 2H 3DMRSI maps showed whole brain coverage.
The setup preserves high-quality 1H anatomical imaging performance.
Abstract
To develop and evaluate an 2H/1H coil configuration that enables deuterium metabolic imaging at 7 T while preserving high‐quality 1H anatomical imaging. An 16‐channel 2H high‐impedance receive array was combined with a 2H transmit birdcage and a 16‐channel dual‐row 1H transceiver array. Electromagnetic simulations are used to assessed B1 + efficiency and SAR. Phantom and in vivo experiments were performed on a Philips 7T system to evaluate transmit efficiency, signal‐to‐noise ratio, and signal coverage. Simulations results match with experimental ones, and they demonstrated good transmit efficiency, receive sensivity and image quality. In vivo 2H 3DMRSI map demonstrated whole brain coverage. The proposed coil configuration enables robust 2H metabolic imaging at 7T while preserving good 1H performance.
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Taxonomy
TopicsAdvanced MRI Techniques and Applications · Microwave Imaging and Scattering Analysis · Lanthanide and Transition Metal Complexes