Table 5 Scan parameters recommended for CT-guided lung ablation
From: Image-guided percutaneous ablation for the treatment of lung malignancies: current state of the art
kV (range) | 80–120 kV |
mAs (range) | 20–50 mAs |
Rotation time | 0.5Â s |
Collimation | 1 × 10 mm |
CTDIvol unit | CTF: mGy/s CCT: mGy CBCT: mGy and mGy/s |
Tube current modulation | Not necessary |
Image reconstruction | Eight frames per second |
Longitudinal scan length | Smallest possible |
Slice thickness | 4Â mm |
Typical accumulated CTDIvol | 75–100 mGy |
Typical accumulated DLP | 1000–1200 mGy x cm |