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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