Abstract #1791

Dynamic contrast-enhanced MR imaging of hypervascular liver lesions: comparison of conventional breath-hold and a free-breathing acquisition technique with compressed sensing and motion-state-resolved reconstruction

Xiangtian Zhao¹, Mengyue Huang², Yingyu Che², Jinxia Zhu³, Dominik Nickel⁴, and Jingliang Cheng²

¹magnetic resonance imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China, ²Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China, ³MR Collaborations, Siemens Healthcare, Ltd., Beijing, China, ⁴MR-Application Predevelopment, Siemens Healthcare GmbH, Erlangen, Germany

We investigated a prototype free-breathing Cartesian volumetric interpolated breath-hold examination (VIBE) protocol with compressed sensing (CS) and motion-state-resolved reconstruction as extra-dimension (XD-VIBE) for Gd-DTPA-enhanced dynamic liver imaging by comparing it with conventional breath-hold VIBE. We found that it provided good image quality and diagnostic performance for hypervascular liver lesion detection except for the pre-contrast phase. This is a promising option for patients with poor breath-holding capacity.

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