Abstract #2936

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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