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Table 1: Scanning parameters (3T)
Pre- and Postcontrast T1 FSE Pre- and Postcontrast 3D-FLAIR 3D T2-SSFP Delayed Postcontrast 3D-FLAIR
Plane Axial Axial Axial Axial
TR (ms) 500 6000 1500 7600
TE (ms) 10 350 194 345
TI (ms) / 2350 / 2100
Fat saturation SPIR SPIR / SPAIR
TSE factor 3 182 40 100
Flip angle 90° 90° 90° 90°
Slice thickness (mm) 1.5 1 0.6 0.6
Slices (no.) 15 30 22 40
FOV (mm²) 180 × 160 230 × 190 140 × 140 200 × 255
Matrix 256 × 205 232 × 229 264 × 248 250 × 252
Parallel imaging No Yes No Yes
Averages 4 6 1 4
Scan time 2 min 51 sec 10 min 6 sec 6 min 35 sec 9 min 15 sec
Note:—SSFP indicates steady-state free precession; SPIR, spectral presaturation with inversion recovery; SPAIR, spectral attenuated inversion recovery; 3D FLAIR, Three dimensionally Fluid Attenuated Inversion Recovery; FSE, Fast spin echo; TR, time of repetition; TE, time of echo; TI, time of inversion; TSE, Turbo Spin-Echo; FOV, field of view; /, specific parameter is not available.