Table 5. Characteristics of the patients with periampullary carcinoma.
CBD: common bile duct
| Characteristic | N (%) |
| Patients with adenocarcinoma as microscopic morphology | 76 |
| Method and site of microscopic diagnosis | |
| Histology of primary tumor | 63 (82.9) |
| Cytology of primary tumor | 7 (9.21) |
| Cytology of metastatic lesion | 6 (7.9) |
| Age (years) | |
| 30-39 | 9 (11.8) |
| 40-49 | 12 (15.8) |
| 50-59 | 22 (29) |
| 60-69 | 25 (33) |
| 70-79 | 7 (9.21) |
| >80 | 1 (1.32) |
| Gender | |
| Male | 60 (79) |
| Female | 16 (21.1) |
| Disease extent at presentation | |
| Localized | 2 (2.63) |
| Locoregional | 53 (69.7) |
| Distant metastasis | 12 (15.8) |
| Information not available | 9 (11.8) |
| Subsite | |
| Ampulla of Vater | 24 (31.6) |
| Distal CBD | 5 (6.58) |
| Ampulla+distal CBD | 4 (5.26) |
| Periampullary (subsite unspecified) | 43 (56.6) |