Abstract #1635

Rapid Cartesian versus radial acquisition: comparison of two sequences for hepatobiliary phase MRI at 3 Tesla

Johannes Budjan¹, Philipp Riffel¹, Melissa Ong¹, Stefan O Schoenberg¹, Ulrike I Attenberger¹, and Daniel Hausmann¹

¹Department of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Mannheim, Germany

In patients with breath-holding difficulties, breathing artifacts can result in dramatically reduced image quality during hepatobiliary phase imaging. Rapid Cartesian as well as radial acquisition techniques are approaches to minimize these artifacts. In 21 patients, both techniques were used and compared regarding image quality and lesion conspicuity. For most patients, a high flip angle Cartesian sequence with short breath-hold interval was feasible and resulted in superior overall image quality. Radial techniques proved to be a valuable option for the few patients who were unable to hold even short breath-hold intervals.

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