Table 2. MR Imaging Parameters.
| Sequence | Repetition Time (ms) | Echo Time (ms) | Flip Angle (°) | Slice Thickness (mm) | Field of View (cm) | Matrix Size | Acquisition Duration/ Time Resolution (s) | Imaging Planes | Additional Information | |
|---|---|---|---|---|---|---|---|---|---|---|
| Perfusion MR | Fat-saturated T1-weighted FFE | 3.6 | 1.8 | 15 (pre); 15 (post) | 6.0 | 25 × 25 | 208 × 206 | 3.0 | Axial or coronal | 100 dynamics (5 min) |
| Screening and pretreatment planning | T2-weighted 3D TSE with DRIVE | 1000.0 | 135.0 | 90 | 2.5 | 25 × 25 | 168 × 120 | 200–220 | Sagittal | SENSE 1.8 |
| MR thermometry | RF-spoiled segmented EPI | 37.0 | 19.5 | 19 | 7.0 | 40 × 25 | 160 × 100 | 2.9 | Coronal, sagittal | 121-binomial water-selective excitation |
| Immediate follow-up* | Fat-saturated T1-weighted THRIVE | 6.6 | 3.2 | 10 | 2.5 | 28 × 28 | 240 × 240 | 170–190 | Coronal | SENSE 1.5 |
DRIVE, driven equilibrium; EPI, echo planar imaging; FFE, fast field echo; MR, magnetic resonance; RF, radiofrequency; SENSE, sensitivity encoding; THRIVE, T1-weighted high resolution isotropic volume examination; TSE, turbo spin echo
* Gd-DOTA (0.1 mmol/kg; Dotarem, Guerbet, Aulnay-sous-Bois, France) was used for contrast enhancement.