Rosette Spectroscopic Imaging with Hadamard Encoding
Claudiu Schirda 1 , Tiejun Zhao 2 , Julie Pan 1 , and Hoby Hetherington 1
Radiology, University of Pittsburgh School
of Medicine, Pittsburgh, PA, United States,
Medical Solutions, Pittsburgh, PA, United States
Fast, high-sensitivity Rosette Spectroscopic Imaging
(RSI) with Hadamard encoding is demonstrated in-vivo
brain for four 10mm slices, 24x24 matrix, fov=240mm,
8-minute acquisition, with reduced gradient demands
(maximum slew rate of 40mT/m/ms and maximum gradient
readout of 5mT/m). Spectra for all voxels are processed
and metabolites are quantified with an automated
processing pipeline using LCModel.
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