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Table 1: MRI sequence parameters
Parameter DIR FLAIR T2 TSE
Field of view (mm) 230 230 230
Matrix 256 256 256
Section thickness (mm) 5 5 5
Measured voxel size (mm) 0.90/0.90/5 0.90/0.90/5 0.90/0.90/5
SENSE factor 1.5 1.6 
Turbo factor 13 38 16
Repetition time (ms) 11000 12000 4100
Echo time (ms) 29 140 100
Inversion time (ms) 3400/325^* 2850 
Number of signals averaged 1 1 1
Bandwidth/pixel (Hz) 277.9 287 184.3
Acquisition time (minutes:seconds) 3:18 4:00 2:19
Note:—DIR indicates double inversion recovery; FLAIR, fluid-attenuated inversion recovery; T2 TSE, T2-weighted turbo spin-echo; SENSE sensitivity encoding.
* The long inversion time TI₁ (3400 ms) is defined as the interval between the first 180° inversion pulse and the 90° excitation pulse. The short inversion time TI₂ (325 ms) is defined as the interval between the second 180° inversion pulse and the 90° excitation pulse.