Fast 2D Hepatic MR Elastography for Free-Breathing and Short Breath Hold Applications

MR elastography (MRE) is a technique for noninvasively assessing hepatic fibrosis that has a high diagnostic accuracy and is safer and less expensive than biopsy. Typically, MRE requires multiple breath holds of 10-20 seconds, which may not be possible for some patients and can add several minutes to clinical liver MRI exams. In this work, we demonstrate an implementation of 2D hepatic MRE that can be performed in a single 3.2-second breath hold or while free breathing that can significantly reduce the number and duration of breath holds required for performing MRE and improve clinical patient throughput.

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