Abstract #0567

Resolving Uncertainties of IDEAL Fat-Water Imaging Using Magnetization Transfer Effect

Alexey Samsonov¹

¹Radiology, University of Wisconsin, Madison, WI, United States

IDEAL fat/water imaging often suffers from estimation errors such as fat/water swaps, which can't be removed even by sophisticated algorithms based on field map smoothness regularization. However, these errors may be minimized by supplying the algorithms with an adequate FM prior, which, however, is not generally available. We propose a new method to improve IDEAL robustness which exploits a phenomenon of absence of magnetization transfer (MT) effect in fat for estimation of sufficiently accurate IDEAL field map prior.

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