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Fast magnetic resonance spectroscopic imaging at 3 Tesla using autocalibrating parallel technique

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4 Author(s)
Banerjee, S. ; Joint Graduate Group in Bioeng., California Univ., Berkeley, San Francisco, CA ; Ozturk-Isik, E. ; Nelson, S.J. ; Majumdar, S.

Magnetic resonance spectroscopic imaging (MRSI) is a powerful tool for diagnosis of many pathologic conditions. However conventional MRSI involves long scan times, in the order of 20 minutes. This work simulated an autocalibrating parallel technique based on GRAPPA algorithm for accelerating MRSI and applied it to 3 dimensional (3D) MRSI of the brain at 3 Tesla. Employing two fold undersampling in two phase-encoding directions, a four fold reduction in scantime was simulated. Metabolic parameters showed close agreement between the full and GRAPPA reconstructed spectral data

Published in:

Engineering in Medicine and Biology Society, 2006. EMBS '06. 28th Annual International Conference of the IEEE

Date of Conference:

Aug. 30 2006-Sept. 3 2006