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Abstract #4262

A 3T Coil Array for Improved Quantitative Susceptibility Mapping at Multiple Orientations in ex vivo Primate Brains

Chaimaa Chemlali1, Dimitrios G. Gkotsoulias2, Alina Scholz1, Sam-Luca JD Hansen1, Torsten Schlumm2, Roland Müller2, Carsten Jäger2, Harald E. Möller2,3, and Boris Keil1
1Institute of Medical Physics and Radiation Protection, TH Mittelhessen University of Applied Sciences, Giessen, Germany, 2Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany, 3Felix Bloch Institute for Solid State Physics, Leipzig University, Felix Bloch Institute for Solid State Physics, Leipzig, Germany

Synopsis

Keywords: RF Arrays & Systems, Quantitative Susceptibility mappingQuantitative susceptibility mapping (QSM) with multiple object orientations is typically limited by an appropriate examination time that is appropriate for human subjects and the small range of possible rotation angles within an MRI head coil. Ex vivo QSM can overcome these limitations supporting long acquisition times and the ability to rotate the ex vivo specimen to any position. Therefore, a 3T 26-channel ex-vivo brain array coil was developed for fixed chimpanzee brains. The coil was characterized with bench and image metrics and provides increased reception sensitivity, making it well-suited for high-resolution QSM ex vivo MRI studies.

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