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Table 1 Brain metabolite concentration and acquisition time of various MRSI techniques

From: Fast magnetic resonance spectroscopic imaging techniques in human brain- applications in multiple sclerosis

Methods TE/TR (ms) Metabolite (mM) Tacq (min)a Brain region/ FOV/ voxel size/Bo (Tesla) Ref.
3D PRESS-MRSI 144/1100 NAA: 10.1 ± 0.64 21.12 Centre of brain/ 12 × 12 × 8 cm3/1 cm3/3 T [40]
3D PRESS-MRSI 144/1100 NAA: 6.9 ± 1.3, Cho: 6.5 ± 1.4 Cr: 6.1 ± 1.2 17 Not reported/ 12x12x8 and 16x16x8 cm3/1 cm3/3 T [36]
3D PRESS-MRSI 144/1100 Cho/NAA:(0.51–0.54) 21.12 Not reported/ 12 × 12 × 8 cm3/ 1 cm3/3 T [46]
Multiple 2D-MRSI 144/ 2300 NAA:2.5 ± 4.47, Cho:2.94 ± 9.71, Cr:7.3 ± 4.09 26 Whole brain scans/ Not reported [95]
2D-MRSI 135/1500 MS patients: NAA:9.48 ± 0.73
Controls: NAA:11.58 ± 0.37
NRb WM and GM/ 16 × 16 cm2/ 2 cm3/1.5 T [112]
3D PRESS-MRSI with OVS 144/1500 Cho/Cr :1.24
NAA/Cr:1.94
9 Whole brain/ 16 × 16 × 16, 18x18x16 cm3/1 cm3/3 T [37]
  1. Abbreviations: a Tacq acquisition time, b NR Not reported