Table 1.
Basic demographic and clinicopathological data of 84 patients with BTC
| N | % | |
|---|---|---|
| Age (years; median cut-off)& | ||
| ≥68 | 42 | 50.0 |
| <68 | 37 | 44.1 |
| Missing data | 5 | 5.9 |
| Sex | ||
| Men | 38 | 45.2 |
| Women | 46 | 54.8 |
| Surgery type | ||
| Biopsy only | 14 | 16.7 |
| Cholecystectomy (CE) | 55 | 65.5 |
| Partial hepatectomy | 3 | 3.6 |
| Partial hepatectomy & CE | 4 | 4.8 |
| Pancreato-duodenectomy | 7 | 8.3 |
| Missing data | 1 | 1.2 |
| Tumor size (cm) | ||
| ≤2 | 17 | 20.2 |
| 2-5 | 24 | 28.6 |
| >5 | 6 | 7.1 |
| Missing data | 37 | 44.0 |
| Lymph node status | ||
| Negative | 14 | 16.7 |
| Positive | 13 | 15.5 |
| Missing data | 57 | 67.9 |
| Site of primary disease | ||
| Intrahepatic cholangiocarcinoma (ICC) | 14* | 16.7 |
| Extrahepatic cholangiocarcinoma (ECC) | 15*,^ | 17.9 |
| Gallbladder carcinoma (GBC) | 55 | 65.4 |
| Histologic differentiation | ||
| High | 8 | 9.5 |
| Moderate | 31 | 36.9 |
| Poor | 34 | 40.5 |
| Missing data | 11 | 13.1 |
| Adenocarcinoma, histologic specifications | ||
| In situ carcinoma (ISC) | 2 | 2.4 |
| Adenocarcinoma NOS | 65* | 77.4 |
| Mucinous | 2 | 2.4 |
| Papillary | 3 | 3.6 |
| Tubular | 4 | 4.8 |
| Mixed histology# | 8 | 9.5 |
&
range: 48-91 yrs;
*
differential diagnosis (DDx) between primary BTC and metastatic adenocarcinoma; there were 5 such cases, 4 DDx vs. ICC and 1 DDx vs. ECC;
^
1 Vater ampullary carcinoma; NOS: not otherwise specified, including the 5 DDx tumors.
#
including 2 infiltrative adenocarcinomas with ISC areas, 4 tubular & papillary, and 2 tubular & cribriform adenocarcinomas.