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Abstract #1903

Flexible six-channel knee array for MRI at 0.55T

Bili Wang1,2, Syed S. Siddiq1,2, Jerzy Walczyk1,2, Mary Bruno1,2, Jan Fritz1,2, Iman Khodarahmi1, Inge M. Brinkmann3, Robert Rehner4, Karthik Lakshmanan1,2, and Ryan Brown1,2
1Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine, New York, NY, United States, 2Center for Advanced Imaging Innovation and Research (CAI2R), Department of Radiology, New York University Grossman School of Medicine, New York, NY, United States, 3Siemens Medical Solutions USA Inc., Malvern, PA, United States, 4Siemens Healthcare GmbH, Erlangen, Germany

Synopsis

New-generation 0.55T systems require a suite of tailored coils to preserve image quality that is expected from higher field systems. We built a six-channel coil array for knee MRI using RG58 coaxial cable loops, which have adequate mechanical flexibility to wrap tightly around the leg and suitably low conductive loss at 23.55MHz. Initial findings show that the dedicated coil outperformed a general-purpose counterpart and suggest that clinical quality knee imaging is feasible.

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