Table 2.
Relevant imaging parameters for the sequences used
| TOF | T1-w TSE | T2-w TSE | MATCH | |
|---|---|---|---|---|
| TE/TR (ms) |
3.6/21 |
12.0/800 |
59.0/4000 |
4.2/10.8 |
| Field-of View (mm2) |
150 × 200 |
140/160 × 140/160 |
140/160 × 140/160 |
140/160 × 140/160 |
| In-plane resolution (mm2) |
0.87 × 0.52 |
0.55/0.63 × 0.55/0.63 |
0.55/0.63 × 0.55/0.63 |
0.55/0.63 × 0.55/0.63 |
| Number of slices |
84 slices (with 3 slabs) |
16 |
16 |
16 (plus 4-slice oversampling) |
| Slice thickness (mm) |
1.0 (with 19% overlap) |
2 |
2 |
2 |
| Number of Average |
1 |
2 |
2 |
1 |
| Flip angle (o) |
25 |
136-170 |
120-160 |
8 |
| Echo train length |
- |
7 |
12 |
55-67* |
| Bandwidth (MHz) |
250 |
407 |
407 |
130 |
| Parallel factor (GRAPPA) |
2 |
- |
- |
2 |
| Scan time (min:sec) | 2:27 | 2:56 | 3:24 | 4:45 |
*The # of segments varied with oversampling in the phase-encoding direction which ranged from 20-30%.