Time-domain combination of MR spectroscopy data acquired using phased-array coils

✍ Scribed by Mark A. Brown

• Publisher: John Wiley and Sons
• Year: 2004
• Tongue: English
• Weight: 305 KB
• Volume: 52
• Category: Article
• ISSN: 0740-3194
• DOI: 10.1002/mrm.20244

✦ Synopsis

Abstract

A new method for efficiently processing MRS data acquired with phased‐array coils is presented. The method consists of performing phase compensation (i.e., redefining the signal phase relative to a common reference) of the signals in the time domain prior to combining the signals. The resulting spectra are equivalent to those obtained by previously published methods for phased‐array spectral data processing (i.e., processing the signals individually and then combining them in the frequency domain). The method allows spectra acquired with phased‐array coils to be processed as efficiently as those acquired with non‐phased‐array coils. Both single voxel spectroscopy (SVS) and chemical shift imaging (CSI) data sets may be processed by this method. Magn Reson Med 52:1207–1213, 2004. © 2004 Wiley‐Liss, Inc.