Table 1 Re-staging pelvic MR imaging acquisition parameters at 1.5T and 3T Ingenia Philips Healthcare®, Best, The Netherlands
Oblique axial T2-W turbo spin-echo | Oblique coronal T2-W turbo spin-echo | Sagittal T2-W turbo spin-echo | Oblique axial single-shot spin-echo echo-planar diffusion | Axial T1-weighted gradient echo imaging | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
1.5T | 3T | 1.5T | 3T | 1.5T | 3T | 1.5T | 3T | 1.5T | 3T | |
Echo time (msec) | 115 | 105 | 115 | 105 | 105 | 100 | 92 | 95 | 10 | 15 |
Repetition time (msec) | 4206 | 3943 | 4206 | 3943 | 2433 | 4672 | 6779 | 4140 | 683 | 734 |
Echo train length | 17 | 19 | 17 | 19 | 17 | 17 | – | – | 5 | 7 |
Slice thickness (mm) | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 45 | 4 |
Gap (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.8 |
Matrix | 400 x 333 | 400 x 259 | 400 x 333 | 400 x 259 | 252 × 223 | 252 x 237 | 76 × 65 | 80 × 65 | 376 x 390 | 404 × 415 |
Field-of-view (mm) | 200 x 200 | 200 × 200 | 200 x 200 | 200 × 200 | 200 × 200 | 200 × 200 | 200 × 200 | 200 × 200 | 300 x 350 | 300 × 350 |
In-plane resolution (mm) | 0.5 x 0.6 | 0.5 x 0.6 | 0.5 x 0.6 | 0.5 x 0.6 | 0.8 × 0.8 | 0.8 x 0.8 | 2.6 × 3.01 | 2.5 × 3.1 | 0.8 x 0.9 | 0.74 × 0.82 |
Signal averages | 2 | 2 | 2 | 2 | 2 | 1 | 14 | 13 | 1 | 1 |
B value | – | – | – | – | – | – | 1500 | 2000 | – | – |