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Table 2 Scanning and reconstruction protocols of the toshiba MDCT scanner

From: Low-dose CT scan screening for lung cancer: comparison of images and radiation doses between low-dose CT and follow-up standard diagnostic CT

  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