Fast 2D Hepatic MR Elastography for Free-Breathing and Short Breath Hold Applications
Kevin Glaser 1 , Jun Chen 1 , and Richard Ehman 1
Radiology, Mayo Clinic, Rochester, MN,
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
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