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