Table 1.

Low-dose chest CT imaging protocol parameters

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

CT, computed tomography