TABLE 2.
Magnetic resonance imaging measurement parameters
| Resolution in mm3, matrix size | TR in ms | TE in ms | TI in ms | FA in ° | BW in Hz/px | GRAPPA (factor/ref. lines) | Partial Fourier (slice, phase) | Acquisition time min:sec | |
|---|---|---|---|---|---|---|---|---|---|
| ME‐GRE | 0.47 × 0.47 × 0.47 | 38 | 10.5, 21, 31.5 | – | 12 | 140 | 2/36 | 6/8, 7/8 | 18:09 |
| 464 × 348 × 192 | |||||||||
| RESOLVE | 1.2 × 1.2 × 2.4 | 2700 | 59, 99 | – | 180 | 631 | 2/68 | – | 23:55 |
| 176 × 142 × 14 | |||||||||
| ME‐TSE | 0.49 × 0.49 × 2.0 | 7400 | 15, 88, 161,235 | – | 120 | 130 | 3/27 | – | 13:21 |
| 448 × 336 × 30 | |||||||||
| MP2RAGE | 0.69 × 0.69 × 0.69 | 5000 | 4.01 | 900, 2750 | 4, 5 | 240 | 3/43 | 6/8, 7/8 | 8:08 |
| 320 × 240 × 192 | |||||||||
| Turbo flash (B1) | 1.15 × 1.15 × 4.0 | 3000 | 2.36 | – | 7 | 490 | – | – | 1:32 |
| 192 × 144 × 15 |
Abbreviations: BW, bandwidth; GRAPPA, generalized autocalibrating partially parallel acquisitions; Hz, Hertz; ME‐GRE, multi‐echo gradient echo; ME‐TSE, multi‐echo turbo spin echo; min:sec, minutes:seconds; MR2RAGE, magnetization prepared 2 rapid acquisition gradient echo; ms, milliseconds; px, pixel; ref., reference; RESOLVE, readout segmentation of long variable echo‐trains;TE, echo time; TI, inversion time; TR, repetition time.