Abstract #2166

Numerical Comparison of Stacked and Planar Coil Reception Arrays for Prostate MRI at 3 T

Jorge Chacon-Caldera¹, Javier Uranga Solchanga¹, Paulina Koziol^1,2, and Lothar R Schad¹

¹Computer Assisted Medical Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany, ²Department of Medical Physics and Biophysics, Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Krakow, Poland

Prostate MRI is commonly performed using endorectal coils which are invasive. This is done since body planar arrays are not sensitive enough for prostate imaging. Increasing sensitivity of an array for deep structures in the body is not trivial. In this study, we extended the traditional stacked figure-8 and single loop quadrature pair to add more single loop coils and enhanced the sensitivity at the depth of the prostate without increasing the field over a larger lateral area. We compared these arrays to classical planar approaches and found a factor 1.35 increase in maximum localized |B₁^-| using numerical simulations.

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