Table 1 Low-dose chest CT imaging protocol parameters
From: The impact of lung parenchyma attenuation on nodule volumetry in lung cancer screening
Range | Lung apices–bases |
|---|---|
Respiratory phase | Inspiration, breath hold |
Enhancement | None |
Image reconstruction | 2-mm thickness, 1-mm overlap |
Kernels | B60f sharp/lung, B30f medium smooth/lung, B20f smooth/mediastinum |
Acquisition parameters | kVp and mAs varied according to body habitus |
Planned CTDI(vol) | 2.03 mGy, with 120 kVp and quality reference of 30 mAs |