Abstract #1062

A Variable-TE Stack-of-Spirals Sequence for 3D UTE Imaging

Samuel Fielden¹, John Mugler², Wilson Miller², Alto Stemmer³, Josef Pfeuffer³, Berthold Kiefer³, and Craig Meyer^1,2

¹Biomedical Engineering, University of Virginia, Charlottesville, VA, United States, ²Radiology & Medical Imaging, University of Virginia, Charlottesville, VA, United States, ³Application Development, Siemens Healthcare, Erlangen, Germany

While 3D radial-based methods have become established in recent years for ultrashort-echo-time (UTE) imaging, these acquisitions are generally slow due to the inefficiency of radial k-space trajectories. The purpose of this work was to implement a fast UTE acquisition based on an optimized 3D stack-of-spirals acquisition and to perform a proof-of-concept evaluation of the method for bone imaging of the skull and cartilage imaging of the knee.

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