Table 2 Scanning and reconstruction protocols of the toshiba MDCT scanner
Low-dose CT scan | Follow-up standard diagnostic CT scan | |
|---|---|---|
Number of detectors | 16 | 16 |
kVp | 120 | 120 |
mA | 30–50 | CT-AEC (SD = 70) |
Seconds/rotation | 0.75 | 0.75 |
mAs | 22.5–37.5 | Max 150 |
Pitch factor | 1.438 | 1.188 |
Collimation | 1 mm × 16 | 1 mm × 16 |
Reconstruction | ||
slice thickness (mm) | 3 | 1 |
slice interval (mm) | 3 | 1 |
Lung field | 1600/-600 | 1600/-600 |
Mediastinal | 400/35 | 400/35 |
Function | FC52 | FC53 |