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Abstract #2656

A Sixteen-Channel Array Coil for Carbon-13 Spectroscopy of the Breast at 7T

Matthew Wilcox1, Stephen Ogier2, Sergey Cheshkov3,4, Ivan Dimitrov3,5, Craig Malloy3,4,6, Steven M Wright1,2, and Mary McDougall1,2

1Biomedical Engineering, Texas A&M University, College Station, TX, United States, 2Electrical and Computer Engineering, Texas A&M University, College Station, TX, United States, 3Advanced Imaging Research Center, UT Southwestern Medical Center, Dallas, TX, United States, 4Radiology, UT Southwestern Medical Center, Dallas, TX, United States, 5Philips Medical Systems, Cleveland, OH, United States, 6Internal Medicine, UT Southwestern Medical Center, Dallas, TX, United States

Biomarkers detectable by carbon-13 NMR spectroscopy have known correlations with breast cancer characterization, but in vivo 13C spectroscopy has been limited by low SNR. To counteract this, a 16-element receive coil and isolating preamplifier box was constructed for carbon-13 spectroscopy of the breast at 7 Tesla. The array was characterized on the bench and showed good results in terms of ease of tuning, low element-to-element coupling and Q values. Scanner testing using the coil was preliminary but showed successful 1H and 13C transmission and that array elements were individually able to acquire spectra.

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