Table 1. Imaging characteristics of diffusion-weighted images for diffusion kurtosis imaging and apparent diffusion coefficient subtraction method.
| Target imaging | DKI1 | ASM2 | ||
|---|---|---|---|---|
| Sequences | DKI-1& DKI-2 | DKI-3 | RESOLVE3-basic | RESOLVE-modify |
| Parameters | ||||
| Phase direction | AP4 | AP | AP | AP |
| Imaging time (min:sec) | 6:24 | 1:12 | 13:28 | 19:06 |
| Diffusion time (msec) | 28.9 | - | 39.3 | 46.0 |
| Diffusion direction | 30 | 30 | 3 | 3 |
| b-value (sec/mm2) | 0,500,1000 | 0 | 0,500,1000 | 0,500,1000,10000 |
| δ5 (msec) | 13.8 | - | 5.6 | 15.6 |
| Δ6 (msec) | 33.5 | - | 41.2 | 51.2 |
| TR7 (msec) | 6000 | 6000 | 8000 | 8000 |
| TE8 (msec) | 75 | 75 | 86 | 106 |
| ES9 (msec) | 0.93 | 0.93 | 0.56 | 0.56 |
| FOV10 (mm) | 120 | 120 | 120 | 120 |
| Segments | 1 | 1 | 7 | 7 |
| Slice number | 5 | 5 | 1 | 1 |
| Slice thickness (mm) | 5 | 5 | 5 | 5 |
| Matrix | 82x82 | 82x82 | 224x224 | 224x224 |
| BW11 (Hz/pixel) | 1220 | 1220 | 399 | 399 |
| Averages | 1 | 9 | 2 | 2 |
1Diffusion kurtosis imaging
2Apparent diffusion coefficient subtraction method
3Readout segmentation of long variable echo-trains
4Antero-posterior
5Motion probing gradient (MPG) pulse duration
6MPG pulse spacing
7Repetition time
8Echo time
9Echo space
10Field of view
11Band width