Table 1 Sequence parameters
Scan Parameters | C-DWI | SMS2-DWI | SMS3-DWI AF3 |
|---|---|---|---|
Echo time, TE (ms) | 59 | 61 | 61 |
Repetition time, TR (ms) | 5200 | 2400 | 1800 |
FoV read (mm) | 420 | 420 | 420 |
FoV phase (%) | 65.7 | 65.7 | 65.7 |
In-plane resolution (mm2) | 1.6 × 1.6 | 1.6 × 1.6 | 1.6 × 1.6 |
Slice thickness (mm) | 6 | 6 | 6 |
No. slices | 30 | 30 | 30 |
Bandwidth, Hz/px | 2666 | 2488 | 2488 |
Fat saturation | SPAIR | SPAIR | SPAIR |
Shim mode | Standard | Standard | Standard |
iPAT | GRAPPA 2 | GRAPPA 2 | GRAPPA 2 |
Slice acceleration factor | None | Factor 2 | Factor 3 |
Diffusion mode | 4-scan trace | 4-scan trace | 4-scan trace |
b-values(averages) (s/mm2) | 50(1), 800(4), 2000(6) | 50(1), 800(4), 2000(6) | 50(1), 800(4), 2000(6) |
Acquisition time, min:s | 4:11 | 2:02 | 1:34 |