Abstract #4253

Motion-resolved 3D dynamic contrast enhanced liver MRI

Dominik Nickel¹, Xiao Chen², Boris Mailhe², Qiu Wang², Yohan Son³, Jeong Min Lee⁴, and Berthold Kiefer¹

¹Siemens Healthcare GmbH, Erlangen, Germany, ²Medical Imaging Technologies, Siemens Healthcare, Princeton, NJ, United States, ³Siemens Healthcare Ltd., Seoul, Korea, Republic of, ⁴Department of Radiology, Seoul National University Hospital, Seoul, Korea, Republic of

Free-breathing dynamic contrast-enhanced liver MRI is explored using a Cartesian spoiled Volume-Interpolated Breath-hold Examination (VIBE) GRE sequence that also acquires a navigation signal. Images are iteratively reconstructed using a hard-gating approach as well as resolving the motion-states using an additional dimension. With both approaches yielding promising results, the latter appears to be more motion robust at the cost of computational effort.

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