Table 1.
Sequence protocol of MRI guided in-bore biopsy.
| Field strength | Sequence for needle control | Plane | TR/TE/FA | Slice thickness | Matrix | FOV |
|---|---|---|---|---|---|---|
| 1.5 Tesla | TrueFISP for navigation needle holder | Coronal sagittal | 4.2 /2.1/57 | 3.5 | 256 × 256 | 400 × 400 |
| TrueFISP for needle control | Axial | 4.5/2.3/57 | 3.5 | 384 × 384 | 400 × 400 | |
| BLADE for needle control | Sagittal | 4260/137/148 | 3.0 | 320 × 320 | 420 × 420 | |
| 3.0 Tesla | FIESTA for navigation needle holder | Coronal sagittal | 5.5/2.5/65 | 3.0 | 224 × 260 | 260 × 260 |
| T2w TSE for needle control | Axial | 3500/149/111 | 3.0 | 320 × 320 | 200 × 200 | |
| T2 TSE for needle control | Sagittal | 3500/150/130 | 3.0 | 256 × 256 | 200 × 200 |
TrueFISP true fast imaging with steady state precession, BLADE motion insensitive multi-shot turbo spin echo sequence, FIESTA fast imaging employing steady state acquisition, TSE turbo spin echo.