Abstract #2706

Modified FCE Transmit Coil for Bilateral Breast Imaging at 7T with Array Coil Inserts

Jiaming Cui¹, Romina Del Bosque², Ivan Dimitrov³, Sergey Cheshkov³, Mary McDougall⁴, Craig Malloy³, and Steve M Wright⁵

¹Electrical and Computer Engineering, Texas A&M University, College Station, TX, United States, ²Biomedical Engineering, Texas A&M University, Bryan, TX, United States, ³Univesity of Texas Southwestern Medical Center, ⁴Texas A&M University, TX, United States, ⁵Texas A&M University

This work describes a forced-current-excitation (FCE) bilateral breast coil, modified for the insertion of a 32-channel receive array for 1H imaging and spectroscopy at 7T. A previous design of the bilateral quadrature volume coil employed RF shielding which prevented the insertion of a receive array with the associated hardware and cabling. The modified bilateral coil uses twinaxial cable for the FCE-enabling quarter-wave transmission lines, allowing balanced signal transmission and eliminating the need for the shields. The results include uniform bilateral excitation, an increase in efficiency as compared to the shielded coil, and successful installation of the 32-channel receive array.

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