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Abstract #0620

Radial Volumetric Interpolated Breath-hold Examination of the Liver: Clinical Impact of Self-gated 3D Isotropic Contrast-enhanced Late-Phase MR Imaging

Jakob Weiss1, Jana Taron1, Ahmed E. Othman1, Robert Grimm2, Petros Martirosian1, Christina Schraml1, Konstantin Nikolaou1, and Mike Notohamiprodjo1

1Diagnostic and Interventional Radiology, University of Tuebingen, Tuebingen, Germany, 2Siemens Healthcare, Erlangen, Germany

To evaluate clinical performance of contrast-enhanced 3D-isotropic radial volumetric interpolated breath-hold examination (VIBE) for late-phase MR imaging of the liver. A prototype retrospective self-gating algorithm for more motion-robust data acquisition was implemented and compared to standard Cartesian VIBE. Utilization of self-gating VIBE provides significantly improved image quality, especially in coronal reformations and Gd-EOB-DTPA-enhanced late-phase scans. Moreover, in 11% only radial VIBE provided diagnostic image quality, thus having a direct implication on patient care. Therefore, self-gated radial VIBE seems a valuable approach to improve diagnostic accuracy in late-phase MR imaging of the liver.

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