Abstract #2656

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

Matthew Wilcox¹, Stephen Ogier², Sergey Cheshkov^3,4, Ivan Dimitrov^3,5, Craig Malloy^3,4,6, Steven M Wright^1,2, and Mary McDougall^1,2

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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