Table 2

Contrast-enhancement quantitative features calculated from the graphs. Data are reported as means with the limits of the overall range

TTETTPTTWIWI-rateWO-rate
Cytological diagnosis
BDA6.900 (4 to 10)18.900 (9 to 34)12.000 (2 to 27)0.129 (0.012 to 0.307)−0.034 (−0.160 to −0.005)
BDC4.688 (1 to 9)12.937 (4 to 28)8.250 (3 to 23)0.337 (0.054 to 1.544)−0.038 (−0.276 to −0.007)
HCC5.625 (4 to 7)16.875 (9 to 34)11.250 (4 to 28)0.168 (0.023 to 0.538)−0.024 (−0.066 to −0.005)
P value0.0040.0330.1730.0360.827
  • BDA, bile duct adenoma; BDC, bile duct carcinoma; HCC, hepatocellular carcinoma; TTE, time from injection to enhancement; TTP, time to peak; TTWI, time to wash-in; WI, wash-in; WO, wash-out.