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Abstract #0145

Higher and more homogeneous B$$$_1^+$$$ for bilateral breast imaging at 7T using a multi-transmit setup with 5 dipole antennas and a 30-loop element receive array

Erwin Krikken1, Bart R. Steensma1, Ingmar J. Voogt1, Erik R. Huijing1, Dennis W.J. Klomp1, Jannie P. Wijnen1, and Alexander J.E. Raaijmakers1,2

1Radiology, UMC Utrecht, Utrecht, Netherlands, 2Biomedical Image Analysis, Eindhoven University of Technology, Eindhoven, Netherlands

Imaging of the breast at 7 tesla is compromised by the inhomogeneous B1+. To overcome this challenge we explored the use of five fractionated dipole antennas in a multi-transmit system in combination with 30 receiver coils. This coil shows larger SNR, larger FOV and higher and more homogeneous B1 field in the breasts than the currently used breast coil at our institute. The high B1+ and an increased field of view achieved by the fractionated dipole antennas, opens the way to translate routinely used breast imaging protocols from 3T to 7T enabling advanced clinical research.

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