alexa Variable-density spiral 3D tailored RF pulses.
Oncology

Oncology

OMICS Journal of Radiology

Author(s): Stenger VA, Boada FE, Noll DC

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Abstract A variable-density spiral method is presented for reducing three-dimensional tailored radiofrequency pulse duration. Pulse length reductions of 21-32\% are possible, with only a small error in the desired excitation profile. The method is demonstrated using simulations, phantom experiments, and T(2)*-weighted images of brain regions with susceptibility-induced intravoxel dephasing. Four 19.7-ms shots were needed to excite a 5-mm-thick slice with reduced susceptibility artifacts in the sinus region at 3T. Copyright 2003 Wiley-Liss, Inc.
This article was published in Magn Reson Med and referenced in OMICS Journal of Radiology

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