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-Edwards^1,4, Olwen Westerland¹, and Vicky Goh^1,4

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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