Abstract #4994

Extracting more: Multi-echo MP2RAGE at 7T enables simultaneous T1w, quantitative T1, T2* and susceptibility mapping from a single acquisition

Hongfu Sun¹, Jon O. Cleary², Rebecca Glarin², Yuhan Ma³, Kieran O'Brien⁴, Scott Kolbe², Bradford A. Moffat², Roger J. Ordidge², and G. Bruce Pike¹

¹University of Calgary, Calgary, AB, Canada, ²University of Melbourne, Melbourne, Australia, ³McGill University, Montreal, QC, Canada, ⁴Siemens Healthcare Pty Ltd, Brisbane, Australia

We demonstrate the feasibility of extracting simultaneous T1w, quantitative T1, T2* and susceptibility mapping from a single Multi-echo MP2RAGE scan of 10min at 7T. After optimizing the multi-channel phase combination, QSM from the Multi-echo MP2RAGE is comparable to that from a standard GRE sequence, with the benefits of additional parametric maps.

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