Table 2.
Additional sequences for magnetic resonance arthrogram (MRA) of the wrist
| Sequence | Ax T1 FS | Cor T1 FS | Sag T1 FS |
|---|---|---|---|
| Pixel size (mm × mm) | 0.4 × 0.4 | 0.4 × 0.4 | 0.5 × 0.5 |
| Slice thickness (mm) | 2 | 2 | 2 |
| Slice gap (mm) | 0.2 | 0.2 | 0.2 |
| Number of slices | 30 | 20 | 27 |
| FOV (mm) | 70–80 | 80 | 70 |
| TE (ms) | 23 | 23 | 23 |
| TR (ms) | 631 | 630 | 570–650 |
| BW (Hz/pixel) | 353 | 354 | 444 |
| Echo train length | 3 | 3 | 3 |
| NEX | 2 | 2 | 2 |
| Acquisition time (min) | ∼4.2 | ∼3 | ∼3 |
Ax, axial; Cor, coronal; Sag, sagittal; FS, fat-suppression; FOV, field-of-view; TE, echo time; TR, repetition time; BW, bandwidth; NEX, number of excitations.