Table 1.
MR sequence details and parameters
| Parameter | FS | WE (1–180°-1) | LIBREa |
|---|---|---|---|
| RF duration (total in ms) | 0.50 | 1.7 | 2.2a |
| TE (ms) | 1.6 | 2.3 | 2.5 |
| TR (ms) | 3.2 | 4.8 | 5.1 |
| RF Pulse offset (Hz) | 0 | 0 | 480 |
| RF excitation angle (°) | 18 | 18 | 18 |
| T2 preparation duration (ms) | 40 | 40 | 40 |
| Matrix size | 1923 | 1923 | 1923 |
| Field of view | (220 mm)3 | (220 mm)3 | (220 mm)3 |
aThe LIBRE pulse has a flexible duration and shorter variations are possible as indicated in [13]
FS CHESS fat saturation, LIBRE Lipid insensitive binomial off resonant excitation, RF radiofrequency, TE echo time, TR repetition time, WE water excitation