Table 1.
Technical details of MR sequences.
| SIEMENS AERA 1,5 T | ||
|---|---|---|
| Sequence | T1-MPRAGE | T2-TSE |
| Echo time | 2,74 ms | 95 ms |
| NEX | 1 | 2 |
| Repetition time | 2200 ms | 2380 ms |
| No. of sections | 256 | 23 |
| Receiver bandwidth | 190 Hz/Px | 163 Hz/Px |
| Echo train length | – | 28 |
| FOV | 250 mm | 230mm |
| Section thickness | 1 mm | 5 mm |
| Section spacing | 0 | 1,3 mm |
| Matrix size | 256x232 | 208x320 |
| Phase direction | RL | RL |
| PHILIPS Ingenia 1,5T | ||
| Sequence | T1 WATS | T2 TSE |
| Echo time | 6.2ms | 100 ms |
| NEX | 1 | 3 |
| Repetition time | 13 ms | 3651 ms |
| No. of sections | 155 | 36 |
| WFS | 216.6 Hz/Px | 212.3 Hz/Px |
| TFE factor | 195 | 23 |
| FOV | 250mm | 240mm |
| Section thickness | 1 mm | 4 mm |
| Section spacing | 0 | 0.4 mm |
| Matrix size | 252x200 | 513x331 |
| Phase direction | RL | RL |
| GE Optima 1,5 T | ||
| Sequence | T1 FSPGR | T2 FSE |
| Echo time | 2.2ms | 130 ms |
| NEX | 1 | 2 |
| Repetition time | 7.7 ms | 3867 ms |
| No. of sections | 150 | 34 |
| Receiver bandwidth | 22.73 Hz/Px | 31.25 Hz/Px |
| Echo train length | – | 21 |
| FOV | 250mm | 240mm |
| Section thickness | 1.2 mm | 4 mm |
| Section spacing | 0 | 0.4 mm |
| Matrix size | 288x288 | 356x288 |
| Phase direction | RL | RL |