Abstract #1698

A Neck Adapted 4-Ch Saddle-Shaped pTx Transceive Coil for Carotid Imaging at 7T

Fabian J. Kratzer¹, Reiner Umathum¹, Sebastian Flassbeck¹, Thomas M. Fiedler¹, Andreas K. Bitz^1,2, Mark E. Ladd^1,3, Gregor Adriany⁴, and Sebastian Schmitter^1,5

¹Medical Physics in Radiology, German Cancer Research Center (DKFZ), Heidelberg, Germany, ²Faculty of Electrical Engineering and Information Technology, FH Aachen - University of Applied Sciences, Aachen, Germany, ³Erwin L. Hahn Institute for MRI, University Duisburg-Essen, Essen, Germany, ⁴Center for Magnetic Resonance Research, University of Minnesota Medical School, Minneapolis, MN, United States, ⁵Medical Physics and Metrological Information Technology, Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany

Stroke is one of the most common causes of death, often caused by accumulation of plaques in the carotid arteries. This motivates investigating the anatomy and blood hemodynamics in the carotid bifurcation with high resolution. For early diagnostics, this work presents a new, saddle-shaped neck-adapted 4-channel parallel transceive coil for imaging at 7T. Coil design and optimization were performed using numerical simulations, and a safety assessment was performed with an anatomical body model. A head-shoulder phantom was built and used to validate measurements. High-resolution anatomical images and flow measurements were acquired in the common carotid artery.

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