Table 1.
shows cases which have been falsely diagnosed as negative for malignancy by cytology but final diagnosis by tissue as gold standard has been positive for malignancy either originated from the pancreas or biliary tract
| Number | Cytology diagnosis by brushing | Final Diagnosis by tissue as gold standard |
|---|---|---|
| 1 | Atypical cell is seen | Cholangiocarcinoma involving CBD* and GB** |
| 2 | Atypical cell is seen | Cholangiocarcinoma of CBD |
| 3 | Atypical cell is seen | Cholangiocarcinoma of CBD |
| 4 | Negative | Cholangiocarcinoma of CBD |
| 5 | Negative | Cholangiocarcinoma of CBD |
| 6 | Negative | Cholangiocarcinoma of CBD |
| 7 | Negative | Cholangiocarcinoma of CBD |
| 8 | Negative | Cholangiocarcinoma of CBD |
| 9 | Negative | Cholangiocarcinoma of CBD |
| 10 | Negative | Intrahepatic and CBD Cholangiocarcinoma |
| 11 | Negative | Intrahepatic and CBD Cholangiocarcinoma |
| 12 | Negative | Intrahepatic Cholangiocarcinoma |
| 13 | Negative | Intrahepatic Cholangiocarcinoma |
| 14 | Negative | Intrahepatic Cholangiocarcinoma |
| 15 | Negative | Intrahepatic Cholangiocarcinoma |
| 16 | Negative | Intrahepatic Cholangiocarcinoma |
| 17 | Negative | Intrahepatic Cholangiocarcinoma |
| 18 | Negative | Intrahepatic Cholangiocarcinoma |
| 19 | Negative | Intrahepatic Cholangiocarcinoma |
| 20 | Negative | Intrahepatic Cholangiocarcinoma |
| 21 | Negative | Intrahepatic Cholangiocarcinoma |
| 22 | Negative | Pancreatic ductal adenocarcinoma |
*
CBD: Common Bile Duct;
**
GB: Gall Bladder