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Abstract #3655

Assessing generalized multi-pool exchange tissue model MRI simulations for the modelling of an ultra-low field scanner

Ignacio Xavier Partarrieu1, Elliot Fox1,2, Frederic Brochu1, Matt Cashmore1, Neha Koonjoo3, Sheng Shen3, David Sinden1, Matthew Rosen3, and Matt G. Hall1,4
1National Physical Laboratory, Teddington, United Kingdom, 2Durham University, Durham, United Kingdom, 3Harvard, Boston, MA, United States, 4University College London, London, United Kingdom

The large expense and running costs of traditional 1.5T scanners have meant that as demand for scans has grown supply has not been able to keep up. Novel, ultra-low field systems aim to address this problem by producing images with some resolution losses as a trade-off for reduced costs. However, access to such devices is currently restricted, limiting the possible research output. In this work we develop and test a simulation model of 6.5 mT b-SSFP acquisitions, which we compare to actual scanner acquisitions. We find that such simulations produce qualitatively and quantitatively similar images to real scans.

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