T and N Staging of Gastric Cancer Using Dual-Source Computed Tomography

Table 3

nIC values of different T stages and lesions.

Lesions		nIC-A		nIC-P		nIC-D
T1	11	0.14 ± 0.07	0.09	0.48 ± 0.30	0.08	0.82 ± 0.21	0.09
T2	14	0.25 ± 0.15		0.45 ± 0.27		0.59 ± 0.41
T3	17	0.13 ± 0.06		0.45 ± 0.13		0.60 ± 0.23
T4	29	0.21 ± 0.17		0.55 ± 0.26		0.64 ± 0.26
Differentiated cancer	35	0.21 ± 0.16	0.06	0.48 ± 0.21	0.07	0.56 ± 0.24	0.09
Undifferentiated cancer	36	0.17 ± 0.11		0.51 ± 0.27		0.73 ± 0.31
T3 extraserosal adipose tissue	17	0.08 ± 0.05	0.004	0.23 ± 0.13	0.06	0.25 ± 0.13	0.001
T4 extraserosal adipose tissue	29	0.10 ± 0.06		0.29 ± 0.16		0.40 ± 0.32

nIC-A, nIC-P, and nIC-D represented the nIC values of late arterial phase, portal phase, and delayed phase, respectively. Of all the enhanced phases, nIC values among different T stages showed no statistically significant differences (). nIC values between differentiated and undifferentiated cancers showed no statistically significant differences (). However, nIC values of the extraserosal adipose tissue between T3 and T4 showed statistically significant differences in both late arterial phase and delayed phase ( and , ).