Table 6.
DEQC head phantom protocol version 2
| Acquisition | GSI‐preset | Pitch | Rotation time (s) | mA | mAs | CTDIvol (mGy) | Image thickness (mm) |
|---|---|---|---|---|---|---|---|
| 1 | GSI‐30 | 0.531 | 0.8 | 550 | 440 | 105.6 | 5 |
| 2 | GSI‐20 | 0.531 | 0.5 | 630 | 315 | 81.4 | 5 |
| 3 | GSI‐26 | 0.531 | 0.7 | 375 | 262.5 | 67 | 5 |
| 4 | GSI‐19 | 0.969 | 0.6 | 640 | 384 | 54.7 | 5 |
| 5 | GSI‐39 | 0.531 | 0.8 | 208 | 166.4 | 47.8 | 5 |
| 6 | GSI‐20 | 0.969 | 0.5 | 630 | 315 | 44.6 | 5 |
| 7 | GSI‐26 | 0.969 | 0.7 | 375 | 262.5 | 36.7 | 5 |
| 8 | GSI‐39 | 0.969 | 0.8 | 208 | 166.4 | 26.2 | 5 |
Note: All acquisitions used helical scan mode, 20 mm beam width, Head SFOV, 25 cm DFOV, and Standard reconstruction algorithm.