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 (VIBE_SG-CS) for continuous dynamic contrast-enhanced (DCE) liver MRI in comparison to a standard multiphase breath-hold examination (VIBE_BH-STD). VIBE_SG-CS provided similar overall image quality and lesion conspicuity and improved image sharpness as compared to VIBE_BH-STD. Therefore, VIBE_SG-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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