Table 2 Imaging characteristics of ICC lesions in group A and group B.

From: A comparative study of clinicopathological and imaging features of HBV-negative and HBV-positive intrahepatic cholangiocarcinoma patients with different pathologic differentiation degrees

Observed items

Group A (n = 66)

Group B (n = 72)

P value

Tumor site

 Left lobe

13

34

0.003*

 Right lobe

43

30

 

 Left + right lobe

10

8

 

Tumor location

 Peripheral type

52 (78.8%)

42 (58.3%)

0.010*

 Juxtahilar type

14

30

 

Morpho-

 Round shape

44

43

0.399

 Irregular shape

22

29

 

Maximum diameter

  < 3 cm

7

1

0.039 *

 3–6 cm

25

24

 

  > 6 cm

34

47

 

Boundary

 Clear

33

32

0.609

 Blurring

33

40

 

Precontrast

 Non-uniform density

43

65

0.000*

 Uniform density

23

7

 

Arterial phase

 Edge ring high density

38

42

0.143

 Non-uniform high density

10

4

 

 Equal/low density

18

26

 

Overall enhancement pattern

 Type I

31

38

0.157

 Type II

18

26

 

 Type III

7

4

 

 Type IV

10 (15.2%)

4 (0.05%)

 
  1. Chi-square test or Fisher 's exact test
  2. *Represents that P values are statistically different.