An Indenting Abdominal Array for 2-Fold SNR Improvement in Pancreatic MRI
Scott B. King1, Jarod Matwiy1, Calvin Bewsky1, Hung-Yu Lin1, and Masoom A. Haider2,3
1Medical Devices, National Research Council Canada, Winnipeg, MB, Canada, 2Dept of Medical Imaging, Sunnybrook Health Sciences Center, Toronto, ON, Canada, 3Department of Medical Imaging, University of Toronto, Toronto, ON, Canada
The pancreas is
difficult to image because of its central location deep in the abdomen, often with
overlapping artifact in parallel MRI reconstruction through the mid abdomen and
drop off of signal. In this
new concept for improved SNR and parallel MRI in pancreas MRI, a surface array is
pushed/indented into the abdomen, bringing smaller array elements closer to the
pancreas. Compared to the benchmark array, the Indenting Array demonstrated
>2x SNR and 40% improved R=3 A-P parallel MRI with g-factor = 1 within the
pancreas. This new “indenting” array
design could have a significant impact on pancreas diagnostic MRI.
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