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Abstract #2540

Breath-hold MRCP using Accelerated 3D-Spiral Turbo Spin-Echo Imaging

John P. Mugler1, Elisabeth Weiland2, Thomas Benkert2, Craig H. Meyer1, Josef Pfeuffer2, and Berthold Kiefer2
1University of Virginia, Charlottesville, VA, United States, 2Siemens Healthcare GmbH, Erlangen, Germany

Current free-breathing, respiratory-triggered, heavily T2-weighted 3D fast/turbo spin-echo acquisitions work well in many patients for MRCP, but non-diagnostic results are obtained in some patients, particularly those with irregular breathing patterns during the several-minute acquisition. Thus, there has been renewed interest in 3D MRCP techniques that can be completed within a single breath-hold period as an alternative for patients in whom free-breathing techniques are inadequate. This work demonstrates that breath-hold 3D MRCP based on a 3D stack-of-spirals turbo spin-echo acquisition, which uses in-plane acceleration to achieve a reasonable breath-hold time, can provide good image quality for evaluation of major ductal structures.

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