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Abstract #4621

Comparison of Slice-specific Shim and Volume Shim for 1.5T Whole-body Diffusion Weighted Imaging

Sarah McElroy1, Jessica M Winfield1, Radhouene Neji2, Alto Stemmer3, Kiefer Berthold3, Joanna Bell1, John Spence1, Geoff Charles-Edwards1,4, Olwen Westerland1, and Vicky Goh1,4

1Guy's and St Thomas' Hospital, London, United Kingdom, 2MR Research Collaborations, Siemens Healthcare, Frimley, United Kingdom, 3MR Application Predevelopment, Siemens Healthcare, Erlangen, Germany, 4Division of Imaging Sciences, King's College London, London, United Kingdom

This study compared whole body diffusion weighted MR imaging (WB-DWI) acquired on a 1.5T scanner with and without integrated slice-specific shimming with retrospective distortion correction (iShim) for evaluation of monoclonal plasma cell disorders. WB-DWI with iShim showed significant reduction of the spinal displacement artefact and increased signal in the sternum.

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