Table 1 Scanning parameters
Sequence | T1WIs-sag | T2WIs-sag | T2WIs-tra | MTR-sag | T2 mapping-sag |
|---|---|---|---|---|---|
Repetition Time (milliseconds, ms) | 580 | 3500 | 3000 | 107.0 | 1500 |
Echo time (milliseconds, ms) | Min Ful | 102 | 103.0 | 8.0 | 8.5-67.9 |
Field of view (millimeter, mm) | 24 × 24 | 24 × 24 | 16 × 16 | 24 × 24 | 20 × 20 |
Matrix | 320 × 224 | 320 × 192 | 320 × 224 | 320 × 192 | 256 × 160 |
Slice thickness (millimeter, mm) | 3 | 3 | 3 | 3 | 3 |
Interslice gap (millimeter, mm) | 0.3 | 0.3 | 0.3 | 0.3 | 0.6 |
Number of slices | 7 | 10 | 10 | 28 | 64 |
Echo trains/slice | 2 | 18 | 19 | — | — |
Band width(Kilo hertz, KHz) | 62.50 | 31.25 | 31.25 | 31.25 | 31.25 |
Number of signal-intensity acquision | 2 | 6 | 4 | 1.5 | 1 |
Offset (HZ) | — | — | — | 1100 | — |
Examination time | 02:05 | 03:06 | 02:30 | 14:28 | 04:27 |