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Abstract #4602

A comparison of 7 and 3 Tesla time-of-flight renal MR angiography for detection of intrarenal vessels

Emma Doran1, Stephen Bawden1, Christopher Mirfin1, Paul Glover1, Richard Bowtell1, Penny A. Gowland1, and Susan Francis1

1Sir Peter Mansfield Imaging Centre, University of Nottingham, Nottingham, United Kingdom

Chronic Kidney Disease (CKD) is thought to be due to small artery disease at the cortico-medullary border, however these vessels are too small to be imaged at conventional field strengths. Here, we assess the feasibility of 2D gradient echo Time-of-flight (TOF) renal angiography at 7 T to detect the arterial vasculature of the kidney and delineate the intrarenal vasculature network. We compare TOF MRA data collected at 3 T and 7 T in the same subjects, and illustrate the superiority of 7 T for high spatial resolution MRA.

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