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 Meyer1,2
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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