Comparison of the Value of Color Doppler Ultrasound and Multislice Spiral CT in the Differential Diagnosis of Benign and Malignant Nodules in the Liver

Table 5

Comparison of quantitative parameters of MSCT energy spectrum between the nodular hepatocellular carcinoma group and FNH group ( ± s).

Group	n	Standardized iodine concentration		Iodine concentration in the lesion and surrounding liver tissue
		Arterial phase	Portal phase	Arterial phase	Portal phase
Nodular hepatocellular carcinoma	102	0.21 ± 0.10^d	0.51 ± 0.15^d	3.15 ± 0.79^d	0.93 ± 0.16^d
FNH	50	0.46 ± 0.19	0.94 ± 0.32	5.97 ± 1.68	1.31 ± 0.29
t		10.235	13.264	16.389	8.674
		≤0.001	≤0.001	≤0.001	≤0.001

Compared with the FNH group, ^d < 0.01.