Table 1.
Scan parameters of three types of ultrashort echo time (UTE) sequences and the Cones sequence with four different stretching factors (SFs) of 1.0, 1.2, 1.4, and 1.6.
| 3D UTE Sequences | TEs # (ms) |
TR ## (ms) |
Resolution (mm) |
Matrix | Scan Time (mins) |
Bandwidth (kHz) |
|---|---|---|---|---|---|---|
| CSPI | 0.528, 0.56, 0.592, 0.624, 0.656, 0.688 |
7 | 1 × 1 × 1 | 80 × 80 × 100 | 10′56″ | ±250 |
| PR | 0.032, 0.132, 0.232, 0.332 |
7 | 1 × 1 × 1 | 140 × 140 × 100 | 5′38″ × 4 | ±83.33 |
| Cones (SF = 1) |
0.032, 0.132, 0.232, 0.332 |
7 | 1 × 1 × 1 | 140 × 140 × 100 | 2′36″ × 4 | ±83.33 |
| Cones (SF = 1.2) |
0.032, 0.132, 0.232, 0.332 |
7 | 1 × 1 × 1 | 140 × 140 × 100 | 2′03″ × 4 | ±83.33 |
| Cones (SF = 1.4) |
0.032, 0.132, 0.232, 0.332 |
7 | 1 × 1 × 1 | 140 × 140 × 100 | 1′48″ × 4 | ±83.33 |
| Cones (SF = 1.6) |
0.032, 0.132, 0.232, 0.332 |
7 | 1 × 1 × 1 | 140 × 140 × 100 | 1′32″ × 4 | ±83.33 |
# TEs is Echo Times; ##> TR is Repetition Time.