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Abstract #4189

Compact 3T MRI for imaging patients with implanted devices: RF and SAR consideration

Yunhong Shu1, Nolan K Meyer1, Lydia J Bardwell1, Matthew Tarasek2, Yihe Hua2, Robert E Watson1, Krzysztof R Gorny1, Heidi A Edmonson1, Joel P Felmlee1, Thomas K Foo2, and Matt A Bernstein1

1Radiology, Mayo Clinic, Rochester, MN, United States, 2GE Global Research, Niskayuna, NY, United States

Patients with certain implanted devices have been restricted from MRI exams with the whole-body transmit coil due to concern of local heating. A novel compact 3T (C3T) MRI scanner is equipped with an RF coil of larger radius but similar length as a T/R head coil. The purpose of this work is to assess the RF B1 field and E-field of the C3T T/R coil. RF heating risk of head imaging on C3T for patients with implanted devices was evaluated and compared with a commercial T/R head coil.

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