Table 1.
MRI pulse sequence protocol used during the study period: 1.5 T MRI, dedicated torso coil
| Pulse sequence | Plane | TR | TE | Flip | FOV (mm) | Gap (mm) | Slice (mm) | Matrix |
|---|---|---|---|---|---|---|---|---|
| SURVEY insp | Axial | 2.5 | 1.27 | 50 | 450 | 3.5 | 8 | 192 × 144 |
| SURVEY exp | Axial | 2.5 | 1.27 | 50 | 450 | 3.5 | 8 | 192 × 144 |
| Refscan | Axial | 8.0 | 0.57 | 56 × 40 | ||||
| T1 TFE bh, insp | Axial | 8.5 | 4.2 | 10 | 450 | 0 | 10 | 256 × 128 |
| T1 TFE bh, insp | Sagittal | 8.5 | 4.2 | 10 | 450 | 0 | 10 | 256 × 128 |
| T1 TFE bh, insp | Coronal | 8.5 | 4.2 | 10 | 450 | 0 | 10 | 256 × 128 |
| T1 TFE bh in + out of phase | Axial | 181 | 2.3/4.6 | 80 | 375 | 1 | 7 | 224 × 134 |
| T2 TSE RT | Axial | 556 | 80 | 90 | 405 | 1 | 7 | 400 × 215 |
| T1 FFE RT | Axial | 10 | 4.6 | 15 | 405 | 1 | 7 | 256 × 126 |
| T2 TSE SSH | Axial | 8,000 | 800 | 90 | 300 | 40 | 320 × 256 | |
| EPI-DWI b = 0, 50 fb, RT | Axial | 4,095 | 56 | 85 | 360 | 0 | 5 | 128 × 83 |
| EPI-DWI b = 0, 500 fb, RT | Axial | 4,095 | 56 | 85 | 360 | 0 | 5 | 128 × 83 |
| THRIVE bh (pre-contrast; 25 and 60 s; 3, 5, 10 and 20 min)a | Axial | 3.7 | 1.76 | 10 | 450 | −2 | 4 | 176 × 124 |
TR Repetition time, TE echo time, flip flip angle, FOV field of view, slice slice thickness, exp expiratory, insp inspiratory, TFE turbo field echo, TSE turbo spin echo, FFE fast field echo, EPI echo planar imaging, SSH single shot, RT respiratory triggered, bh breath hold, fb free breathe, THRIVE T1-weighted high resolution isotropic volume examination
aAfter injection of Gd-EOB-DTPA-DTPA 0.25 μmol/kg at 2 ml/s