Fibrosis in nonalcoholic fatty liver disease: Noninvasive assessment using computed tomography volumetry

Table 1 Computed tomography parameters

CT scanner	4-slice MDCT			64- or 256- or 320- slice MDCT
No. of patients	4	2	5	5	2	10	4	6
Contrast material (mgI/mL)	370	300	370	370	370	370	300	370
Contrast material dose	100 mL	100 mL	600 mgI/kg	100 mL	100 mL	600 mgI/kg	100 mL	600 mgI/kg
Injection rate	2.5 mL/s	2.5 mL/s	20 s1	3 mL/s	2.5 mL/s	30 s1	2.5 mL/s	20 s1
Portal phase delay (s)	70	70	55	70	70	60	60	70
Tube voltage (kVp)	120	120	120	120	120	120	120	120
Tube current (mAs)	300	300	300	Auto	Auto	Auto	Auto	Auto
Reconstruction thickenss (mm)	5	3	3	5	3	1	5	2

¹Injection at a variable rate with a fixed duration. MDCT: Multidetector CT; CT: Computed tomography.