Table 2.
MR imaging parameters for preoperative patient imaging and post-resection specimen imaging
| Clinical scan | Specimen scan | ||||
|---|---|---|---|---|---|
| Parameter | Coronal and axial half-Fourier RARE sequence | Coronal and axial True FISP sequence | Baseline VIBE sequence | 30-s and 70-s post contrast VIBE sequence | Half-Fourier RARE sequence |
| Field of view (mm) | Variable | Variable | Variable | Variable | Variable |
| No. of sections | 20/26 | 25/34 | 48 | 48 | 15 |
| No. of stacks | 1/4 | 1/2 | 1 | 1 | 1 |
| Repetition time (ms) | 1200/800 | 4/4.2 | 7.2 | 7.2 | 1200 |
| Echo time (ms) | 86/86 | 1.7/2.1 | 2.4 | 2.4 | 84 |
| Image matrix | 256 × 195 | 256 × 205 | 256 × 135 | 256 × 135 | 256 × 195 |
| Section thickness (mm) | 4/4 | 4/4 | 3 | 3 | 2 |
| Section gap (mm) | 5.2/4.2 | 5.2/5.4 | 0 | 0 | 0 |
| No. of measures acquired | 1 | 1 | 1 | 1 | 1 |
| Turbo factor | 195 | 1 | 1 | 1 | 195 |
| Integrated parallel acquisition technique | GRAPPA factor of 2 | NA | NA | NA | GRAPPA factor of 2 |
| Flip angle (°) | 50 | 46 | 10 | 10 | 150 |