Table 1.
MRI Sequence Parameters of 1.5T and 3T MRI Scanners
| Sequence | 3D T2*‐EPI | 3D T2‐FLAIR | ||
|---|---|---|---|---|
| Magnet strength, T | 1.5 | 3 | 1.5 | 3 |
| Manufacturer | Philips | Philips | Philips | Philips |
| Model | Achieva | Intera | Achieva | Intera |
| Receive channels | 8 | 8 | 8 | 8 |
| Imaging plane | Sagittal | Sagittal | Sagittal | Sagittal |
| Imaging resolution, mm | 0.8 | 0.55 | 1 | 1 |
| Slices, No. | 200 | 336 | 180 | 180 |
| Repetition time, ms | 41 | 53 | 4,800 | 4,800 |
| Echo time, ms | 22 | 29 | 297 | 373 |
| Inversion time, ms | — | — | 1,660 | 1,600 |
| Flip angle | 10 ° | 10 ° | 90 ° | 90 ° |
| Averages | 2 | 2 | 1 | 1 |
| Acquisition time, min:s | 4:24 | 4:40 | 5:55 | 6:00 |
3D = 3‐dimensional; EPI = echo‐planar imaging; FLAIR = fluid‐attenuated inversion recovery; MRI = magnetic resonance imaging.