Table 2.
MRI protocol. Diffusion-weighted imaging was performed by using three b values (50, 400 and 800 s mm−2) within the same acquisition
| Sequence parameters | 2D GRE | 2D TSE SPAIR | 3D GRE VIBE with fat-saturation | EPI |
|---|---|---|---|---|
| Weighting | T1 | T2 | T1 | Diffusion |
| Orientation | Transversal | Transversal | Transversal | Transversal |
| Repetition time (ms) | 118 | 1700 | 4.23 | 1900 |
| Echo time (ms) | 2.35/5.04 | 65 | 1.48 | 69 |
| Field of view (mm) | 337*400 | 285*380 | 275*400 | 285*380 |
| Matrix size | 230*256 | 259*320 | 179*256 | 153*192 |
| Section thickness (mm) | 6 | 6 | 4 | 6 |
| Intersection gap (%) | 20 | 30 | 20 | 30 |
| Number of sections | 27 | 25 | 60 | 25 |
| Number of signals acquired | 1 | 1 | 1 | 2 |
| Acquisition time (s) | 24 | 110 | 12 | 187 |
2D, two-dimensional; 3D, three-dimensional; EPI, echo-planar imaging; GRE, gradient echo; SPAIR, spectral adiabatic inversion recovery; TSE, turbo spin echo; VIBE, volumetric interpolated breath-hold examination.