Abstract #1173

A multi-element transceive array for cervical spinal cord imaging at 7T

Ece Ercan¹, Thomas Ruytenberg¹, Kristin P. O’Grady^2,3, Seth A. Smith^2,3,4, Andrew Webb¹, and Irena Zivkovic¹

¹C.J. Gorter Center for High Field MRI, Department of Radiology, Leiden University Medical Center, Leiden, Netherlands, ²Vanderbilt University Institute of Imaging Science, Nashville, TN, United States, ³Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, TN, United States, ⁴Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, United States

Spinal cord imaging at 7T MRI is challenging and limited by the need for dedicated RF coils. In this study, we present a flexible coil design for cervical spinal cord imaging at 7T. B₁⁺ inhomogeneities were addressed by using multichannel array and phased-based RF shimming. Dorsal and ventral nerve roots, denticulate ligaments, and blood vessels were visible on axial T₂*-weighted images. Cross-sectional area measurements from C3-C4 cervical levels were consistent with literature values.

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