Abstract #3501

Prostate MRI at 7.0 Tesla using an actively-tuned endorectal coil

M. Arcan Erturk¹ and Gregory J Metzger¹

¹Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States

Using endorectal coils (ERC) in combination with external surface arrays (ESA) can improve the SNR inside the prostate at 7.0T. When used in transmit, ERC can provide higher B1+ levels at the expense of field uniformity. Here, we develop a novel actively-tuned ERC that can be used both in “transmit” and “receive-only” modes utilizing the high B1+ of the ERC and field uniformity of the ESA inside the prostate. Transmit capabilities of this approach are investigated using simulations in a human model. Prostate MRI is acquired using the combined ESA+ERC approach to demonstrate the feasibility for translational studies at 7.0T.

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