Table 2 Imaging protocols and pulse sequence parameters for 0.55-T, 1.5-T and 3-T scanner systems
Field strength | Plane | Sequence | TR (ms) | TE (ms) | TI (ms) | BW (Hz/pixel) | FOV (mm) | Matrix | ST (mm) | TA (min) |
|---|---|---|---|---|---|---|---|---|---|---|
0.55 T | Coronal | T2 TSE TIRM | 4,440 | 35 | 100 | 299 | 220 × 220 | 134 × 192 | 3.5 | 02:48 |
Coronal | T2 TSE | 3,220 | 77 | - | 434 | 220 × 220 | 224 × 320 | 3.5 | 02:21 | |
Axial | T2 TSE TIRM | 4,260 | 25 | 100 | 302 | 220 × 220 | 192 × 240 | 5 | 04:58 | |
Axial | T1 TSE | 517 | 9.4 | - | 401 | 220 × 220 | 213 × 304 | 5 | 03:40 | |
Sagittal | T1 TSE | 517 | 9.4 | - | 401 | 220 × 220 | 213 × 304 | 5 | 03:40 | |
1.5 T | Coronal | T2 TSE TIRM | 4,000 | 34 | 150 | 455 | 220 × 220 | 192 × 256 | 3.5 | 01:48 |
Coronal | T2 TSE | 3,400 | 73 | - | 430 | 220 × 220 | 358 × 448 | 3.5 | 01:25 | |
Axial | T2 TSE TIRM | 5,210 | 54 | 150 | 400 | 180 × 180 | 224 × 320 | 5 | 03:33 | |
Axial | T1 TSE | 661 | 9.5 | - | 305 | 200 × 200 | 218 × 256 | 5 | 05:44 | |
Sagittal | T1 TSE | 596 | 8.5 | - | 460 | 220 × 220 | 256 × 320 | 5 | 02:32 | |
3 T | Coronal | T2 TSE TIRM | 4,800 | 42 | 210 | 505 | 240 × 240 | 240 × 320 | 3.5 | 01:36 |
Coronal | T2 TSE | 4,500 | 73 | - | 505 | 220 × 220 | 224 × 320 | 3.5 | 01:30 | |
Axial | T2 TSE TIRM | 4,200 | 39 | 200 | 500 | 180 × 180 | 205 × 256 | 5 | 02:06 | |
Axial | T1 TSE | 687 | 17 | - | 520 | 200 × 200 | 320 × 320 | 5 | 02:53 | |
Sagittal | T1 TSE | 600 | 9.3 | - | 520 | 240 × 240 | 384 × 384 | 5 | 02:32 |