Table 2.
Magnetic Resonance Imaging Scanner Parameters.
| MRI parameters | 1.5T | 3.0T | ||||
|---|---|---|---|---|---|---|
| T2WI | DWI | DCE-MRI | T2WI | DWI | DCE-MRI | |
| TR (ms) | 7210 | 5030 | 5.6 | 4300 | 6650 | 3.6 |
| TE (ms) | 102 | 56 | 1.7 | 75 | 65 | 1.8 |
| Flip angle | 160° | 180° | 15° | 120° | 180° | 10° |
| Slice gap (mm) | 1 | 1 | 0.5 | 0.8 | 1.1 | 0.5 |
| Slice thickness(mm) | 4 | 5 | 1.5 | 4 | 4 | 2 |
| FOV (mm²) | 320×320 | 320×320 | 320×320 | 351×351 | 340×340 | 340×340 |
| Matrix | 288×224 | 110×170 | 114×224 | 576×576 | 224×224 | 512×512 |
| b value (s/mm²) | — | 50,800 | — | — | 50,1000 | — |
TR, repetition time; TE, echo time; FOV, the field of view; T2WI, T2-weighted imaging; DWI, diffusion weighting imaging; DCE-MRI, dynamic contrast-enhanced magnetic resonance imaging.