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Abstract #3932

Self-gated 4D-MRI of the Liver: Initial Clinical Results of Comprehensive Real-Time Imaging of Hepatic Enhancement

Jakob Weiss1, Ahmed E Othman2, Petros Martirosian3, Marcel Dominik Nickel4, Jana Taron2, Manuel Kolb2, Christer Ruff2, Konstantin Nikolaou2, and Mike Notohamiprodjo2

1Diagnostic and Interventional Radiology, University of Tuebingen, Tuebingen, Germany, 2Diagnostic and Interventional Radiology, University of Tuebingen, 3Section on Experimental Radiology, University of Tuebingen, 4Siemens Healthcare

A remaining challenge of abdominal MRI are artifacts due to patient motion. In this study, we evaluated a prototype volume-interpolated breath-hold examination (VIBE) sequence with automated respiration self-gating and compressed sensing reconstruction (VIBESG-CS) for continuous dynamic contrast-enhanced (DCE) liver MRI in comparison to a standard multiphase breath-hold examination (VIBEBH-STD). VIBESG-CS provided similar overall image quality and lesion conspicuity and improved image sharpness as compared to VIBEBH-STD. Therefore, VIBESG-CS seems to be a promising approach to improve the validity and reliability of DCE-MRI of the liver, especially in patients with impaired breath-hold capabilities.

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