Abstract #0701
Spectroscopic Localization by Simultaneous Acquisition of the Double-Spin and Stimulated Echoes
Assaf Tal 1 and Oded Gonen 2
1
NYU Langone School of Medicine, New York,
NY, United States,
2
Radiology,
NYU Langone School of Medicine, New York, NY, United
States
Localization is an essential requirement for almost all
proton magnetic resonance spectroscopy (MRS)
acquisitions. Localization modules either acquire the
spin echo (e.g., PRESS, LASER, semi-LASER, etc) or the
stimulated echo (STEAM). We propose a localization
module which acquires both coherence pathways. Compared
to PRESS, this substantially reduces chemical shift
displacements, specific absorption rates, minimum TE and
increases B1+ immunity, much like STEAM, but at only a
modest reduction in signal to noise (i.e. without the
50% signal loss associated with STEAM).
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