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Table 1: Pulse sequences in chronologic order of execution from left to right and their corresponding parameter settings
Sequence Parameters T1-TSE Axial DE-TSE Axial T2-TIRM Axial T1-TSE Sagittal T2-TIRM Sagittal
TR (ms) 990 3000 5000 990 7670
TE (ms) 15 12/69 76 15 76
TI (ms)^a – – 180 – 180
FOV (mm) 170 × 170 170 × 170 170 × 170 188 × 250 188 × 250
Section thickness (mm) 4.0 4.0 4.0 3.0 3.0
No. of sections 8 8 8 9 9
Acceleration factor Grappa/2 Grappa/2 Grappa/2 Grappa/2 Grappa/2
Turbo factor 5 5 15 5 15
Averages 2 2 2 2 2
Matrix 256 × 320 358 × 448 307 × 384 192 × 320 230 × 384
Time 1 min 00 s 3 min 59 s 2 min 07 s 0 min 48 s 1 min 26 s
Echo-train spacing (mm) 15.7 11.6 11.5 14.1 12.2
Bandwidth (Hz/pixel) 233 143 181 233 181


a –indicates time-to-inversion.

Sequence Parameters	T1-TSE Axial	DE-TSE Axial	T2-TIRM Axial	T1-TSE Sagittal	T2-TIRM Sagittal
TR (ms)	990	3000	5000	990	7670
TE (ms)	15	12/69	76	15	76
TI (ms)^a	–	–	180	–	180
FOV (mm)	170 × 170	170 × 170	170 × 170	188 × 250	188 × 250
Section thickness (mm)	4.0	4.0	4.0	3.0	3.0
No. of sections	8	8	8	9	9
Acceleration factor	Grappa/2	Grappa/2	Grappa/2	Grappa/2	Grappa/2
Turbo factor	5	5	15	5	15
Averages	2	2	2	2	2
Matrix	256 × 320	358 × 448	307 × 384	192 × 320	230 × 384
Time	1 min 00 s	3 min 59 s	2 min 07 s	0 min 48 s	1 min 26 s
Echo-train spacing (mm)	15.7	11.6	11.5	14.1	12.2
Bandwidth (Hz/pixel)	233	143	181	233	181