Table 1 Parameters of cMRI sequences with a 3.0 T clinic scanner without respiration holding
T1WI In vivo | T2WI In vivo | Cine-MRI In vivo | DE-MRI In vivo | T1WI Ex vivo | T2WI Ex vivo | |
|---|---|---|---|---|---|---|
Sequence type | TSE | TSE | True-FISP | IR-turbo-FLASH | SE | SE |
Repetition time (ms) | 621 | 750 | 357 | 396 | 2300 | 3200 |
echo time (ms) | 15 | 74 | 1.6 | 1.54 | 4.12 | 490 |
Field of view (mm 2 ) | 240×195 | 240×195 | 240×195 | 240×180 | 512×464 | 512×464 |
Filp angle (°) | 180 | 180 | 60 | 15 | 9 | 0 |
Bandwidth (Hz/Px) | 305 | 235 | 751 | 300 | 350 | 434 |
In-plane resolution (mm 2 ) | 0.9×0.9 | 0.9×0.9 | 1.2×0.9 | 1.1×0.8 | 0.5×0.5 | 0.6×0.6 |
Slice thickness (mm) | 3.0 | 3.0 | 3.0 | 3.0 | 0.5 | 0.6 |
Slices | 8 | 8 | 1 | 10 (3D) | 64 (3D) | 52 (3D) |
Number of averages | 6 | 6 | 3 | 1 | 1 | 4 |
Inversion time (ms) | (−) | (−) | (−) | 360 | 900 | (−) |
Fat suppress | No | No | Yes | Yes | Yes(Figure 6) | Yes |
No(Figure 7) | ||||||
Total acquisition time | 15 min 5 s | 7 min 32 s | 2 min 50s | 1 min | 5 min 21 s | 10 min 10 s |
Phase | 25 frames/cycle | |||||
Contrast agent (mmol/kg) | 0.1 |