Table 1.
Pulse sequence parameters for post-implant dosimetric assessment
| 3D T2W FSE | 3D FSPGR | |||
|---|---|---|---|---|
| Scanner manufacturer | GE | GE | GE | Siemens |
| Field strength (T) | 3.0 | 3.0 | 1.5 | 1.5 |
| Scan plane | Axial | Axial | Axial | Axial |
| Repetition time/Echo time (ms) | 2000/120 | 8/2 | 8/3.6 | 12/2.4 |
| Field-of-viewa (cm) | 14 | 14 | 16 | 14 |
| Bandwidth (Hz/pixel) | 122 | 326 | 244 | 500 |
| Echo train length | 74 | – | – | – |
| Flip angle (°) | – | 20 | 25 | 25 |
| Slice thickness (mm) | 1b | 1b | 1b | 1 |
| Matrix sizec | 512 × 512 | 512 × 512 | 512 × 512 | 512 × 512 |
| Number of averages | 1 | 8d | 9d | 2 |
| Frequency direction | R/L | A/P | A/P | A/P |
a
Square field-of-view
b
Interpolated from 2 mm
c
Interpolated from 256 × 256
d
Halved due to phase oversampling