Table 1 Comparison of (a) clinicopathological and (b) histopathological characteristics of squamous cell/adenosquamous carcinomas and ordinary adenocarcinomas of the gallbladder

From: Squamous cell and adenosquamous carcinomas of the gallbladder: clinicopathological analysis of 34 cases identified in 606 carcinomas

(a)

 

Adenosquamous carcinoma/ squamous cell carcinoma (N=34)

Gallbladder adenocarcinoma (N=572)

P-value

Mean age

65

64

0.59

Female/male

3.8

3.8

N/A

Mean tumor size (cm)

3.1

2.7

0.42

Median tumor size (cm)

2.5

2.4

N/A

pT3 (%)

68

49

0.03

Mean survival (months) (range)

23 (1–112.5)

50 (1–160)

0.003

Median survival (months)

4

12

 

(b)

 

(N=34)

(N=50)

 

Tumor giant cells (%)

29

10

0.02

Peritumoral eosinophils (%)

51

6

0.001

Vascular invasion (%)

76

72

0.21

Perineural invasion (%)

32

48

0.22

  1. For comparison of clinicopathologic parameters listed in table 1a, all 572 adenocarcinomas were used. For comparison of some histopathologic parameters that require more detailed analysis listed in table 1b, randomly chosen stage per stage matched 50 adenocarcinomas were used.