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Abstract #3096

Fast Field-Cycling MRI identifies ischaemic stroke at ultra-low magnetic field strength

P. James Ross1, Lionel M. Broche1, Mary Joan MacLeod2, German Guzman-Guttierez2, Alison D. Murray1, and David J. Lurie1

1Aberdeen Biomedical Imaging Centre, University of Aberdeen, Aberdeen, United Kingdom, 2Acute Stroke Unit, Aberdeen Royal Infirmary, Aberdeen, United Kingdom

In this work we present the first patient images from our home built Fast Field-Cycling MRI (FFC-MRI) scanner. By varying the external magnetic field during the imaging process, FFC-MRI allows us to probe the variation of T1 with magnetic field, known as “T1 dispersion”. This T1 dispersion has potential value as a diagnostic biomarker in a range of conditions. Here we present images demonstrating that endogenous T1 contrast at 20 mT and below can be used to identify ischaemic stroke.

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