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Abstract #1914

High resolution multi-echo time-of-flight angiography of the kidney at 3 and 7T

Joshua Michael McAteer1, Emma Doran1, Christopher Mirfin1, Paul Glover1, Susan Francis1, and Penny Gowland1

1SPMIC Department of Physics, University of Nottingham, Nottingham, United Kingdom

We have used a multi-echo time-of-flight angiography sequence to provide increased signal-to-noise ratio, by summing the echoes, to image the kidney at 0.75 mm in-plane resolution and visualize the small distal vessels without the use of contrast agent. Clear images could be obtained at 7T, but results at 7T were not consistently good across all subjects due to limitations in RF power and shimming.

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