Table 1.
Human Pancreatic Tumors Analyzed
| Specimen no. | Age/sex | Pathological diagnosis | Cytokeratin 19 | Cytokeratin 20 |
|---|---|---|---|---|
| 1 | 71 /M | 1.5 cm ductal adenocarcinoma G2-3, 1/10 postive LN | ++++ | + |
| 2 | 78 /F | 1.1 cm ductal adenocarcinoma G2, 0/8 positive LN | ++++ | ++ |
| 3 | 68 /F | 2.3 cm ductal adenocarcinoma G2, 9/13 postive LN | ++++ | ++ |
| 4 | 66 /M | 2.5 cm ductal adenocarcinoma G3, 5/25 postive LN | ++++ | + |
| 5 | 68 /M | 3 cm ductal adenocarcinoma G3, 2/13 postive LN | ++++ | + |
M or F, male or female; G1, well differentiated; G2, moderately differentiated; G3, poorly differentiated; G4, undifferentiated; LN, lymph node(s); +, 5–20% positive cells; ++, 20–50% positive cells; +++, 50–90% positive cells; ++++, >90% positive cells.