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Abstract #0323

Free lunch may not exist, but free contrast does: Calculation of Susceptibility weighted Imaging contrast from data obtained for MR Elastography

Yogesh kannan Mariappan1, Jaladhar Neelavalli1, and Nehul Kishorbhai Makani1,2

1Philips Healthcare, Bengaluru, India, 2Indian Institute of Technology, Madras, India

In typical phase contrast based MR imaging studies like MR Elastography, the phase of interest is extracted from the data and is used in downstream processing to calculate the relevant clinical parameters of interest. While the background phase is typically discarded, we explored the feasibility of obtaining other relevant contrast like SWI contrast from this background phase. This indeed provides useful independent information and we provide evidence on a phantom and in-vivo human experiments. For example, SWI contrast obtained from MRE data of the brain improves the visualization of diamagnetic choroid plexus and paramagnetic internal cerebral veins.

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