Abstract #3019

A new open-source quality assurance protocol for unbiased 13C coil comparison across sites

Rie B Olin¹, Juan D Sánchez-Heredia¹, Mary A McLean², Christoffer Laustsen³, Adam E Hansen⁴, Lars G Hanson^1,5, and Jan H Ardenkjær-Larsen^1,6

¹Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark, ²Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom, ³MR Research Centre, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark, ⁴Department of Clinical Physiology, Nuclear Medicine and PET, Rigshospitalet, Copenhagen, Denmark, ⁵Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark, ⁶GE Healthcare, Brøndby, Denmark

We propose a new quality assurance (QA) protocol for signal to noise ratio (SNR) evaluation of ¹³C receive coils to both guide coil developments and assist the choice of the best suited coil for a given hyperpolarized ¹³C MR experiment. The protocol allows fair comparison of coils with different number of elements and comparison across scanner vendors. The protocol was used to test and compare seven different coils at three different MR sites, which provided insights into coil performance, trade-offs, and malfunctions. All data and source code are shared publicly online.

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