Table 3.
Cytological diagnosis and cytohistopathological correlation in diagnosis of gallbladder lesions
| Cytological diagnosis | Number of cases | Histopathological diagnosis available | Histopathological diagnosis | Cyto-histo concordance (%) |
|---|---|---|---|---|
| Inadequate (Category I) | 34 | 16 | Chronic cholecystitis-4 | - |
| Adenocarcinoma-12 | ||||
| Benign/reactive (Category II) | 50 | 26 | Chronic cholecystitis-21 | 96.1 |
| Xanthogranulomatous cholecystitis-4 | ||||
| Adenocarcinoma-1 | ||||
| Atypical cells (Category III) | 23 | 18 | Chronic cholecystitis-4 | - |
| Xanthogranulomatous cholecystitis-8 | ||||
| Adenomatous hyperplasia-2 | ||||
| Adenoma-1 | ||||
| Adenocarcinoma-3 | ||||
| Atypical suspicious or suggestive of carcinoma (Category IV) | 19 | 15 | Xanthogranulomatous cholecystitis-1 | 80 |
| Adenomatous hyperplasia-1 | ||||
| Adenoma-1 | ||||
| Adenocarcinoma-10 | ||||
| Small-cell carcinoma-1 | ||||
| Adenosquamous carcinoma-1 | ||||
| Malignant neoplasms (Category V) |
307 | 18 | 17 | 94.4 |
| 220 | 6 | Adenoma-1 | 83.3 | |
| Adenocarcinoma NOS | Moderately differentiated Adenocarcinoma-3 | |||
| Poorly differentiated adenocarcinoma-2 | ||||
| Mucinous adenocarcinoma | 19 | 1 | Mucinous adenocarcinoma-1 | 100 |
| Papillary adenocarcinoma | 22 | 0 | ||
| Poorly differentiated carcinoma | 33 | 8 | Poorly differentiated adenocarcinoma-6 | 100 |
| Squamous cell carcinoma-2 | ||||
| Undifferentiated tumor | 2 | 1 | Giant cell tumor-1 | 100 |
| Squamous cell carcinoma | 6 | 0 | ||
| Small-cell carcinoma | 2 | 1 | Small-cell carcinoma-1 | 100 |
| Neuroendocrine tumor | 3 | 1 | Carcinoid tumor-1 | 100 |