Clinical feasibility of free-breathing gadoxetic acid-enhanced liver MRI using incoherent undersampling in patients with transient dyspnea
Jeong Hee Yoon1, Jeong Min Lee1, Robert Grimm2, Son Yohan3, Kiefer Berthold2, Tobias Kai Block4, Hearsh Chandarana4, and Joon Koo Han1
1Radiology, Seoul National University Hospital, Seoul, Korea, Republic of, 2Siemens Healthcare, Erlangen, Germany, 3Siemens Healthcare Korea, Seoul, Korea, Republic of, 4Radiology, NYU School of medicine, New York, NY, United States
Acquisition of optimal late arterial phase is
essential for focal liver lesion diagnosis and detection at gadoxetic
acid-enhanced liver magnetic resonance imaging (MRI). However, it is often challenging
to obtain late arterial phase due to short arterial window and frequent
involuntary motion during arterial phase. We attempted to characterize the
frequency, onset, and duration of the involuntary motion after gadoxetic acid
injection and whether acceptable quality of late arterial phase can be obtained
using incoherent undersampling technique.
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