Table 3. Cytopathology and histopathology correlation (N=47).
FNAC: fine-needle aspiration cytology, HPE: histopathological examination.
| FNAC diagnosis (Milan Categories) | No. of cases on FNAC | HPE diagnosis | |
| No. of cases on HPE | FNAC cases turned out to be benign or malignant on HPE | ||
| Non-diagnostic (Category 1) | 2 | 0 | 0 |
| Non-neoplastic (Category 2) | 9 | 0 | 1: Benign |
| Benign cystic lesion | 0 | 0 | |
| Acute sialadenitis | 0 | 0 | |
| Chronic sialadenitis | 7 | 0 | |
| Sialadenosis | 1 | 1 | 1: Sialolipoma |
| Atypia of undetermined significance (AUS) (Category 3) | 1 | 1 | 1: Carcinoma ex pleomorphic adenoma |
| Neoplastic: benign (Category 4a) | 28 | 25 | 19: Benign; 6: Malignant |
| Basal cell adenoma | 2 | 0 | 1: Mucoepidermoid carcinoma; 1: Adenoid cystic carcinoma |
| Oncocytic neoplasm | 1 | 0 | 1: Oncocytoma |
| Pleomorphic adenoma | 22 | 0 | 15: Pleomorphic adenoma; 1: Acinic cell carcinoma; 2: Adenoid cystic carcinoma; 1: Epithelial myoepithelial carcinoma |
| Warthin's tumor | 3 | 0 | 3: Warthin’s tumor |
| Neoplastic: Salivary gland neoplasm of uncertain malignancy (Category 4b) | 2 | 2 | I: Pleomorphic adenoma; 1: Carcinoma ex pleomorphic adenoma |
| Suspicious of malignancy (Category 5) | 5 | 5 | 1: Pleomorphic adenoma; 2: Salivary duct carcinoma; 2: Mucoepidermoid carcinoma |
| Malignant (Category 6) | 13 | 13 | 2: Benign; 11: Malignant |
| Acinic cell carcinoma | 2 | 0 | 2: Acinic cell carcinoma |
| Adenoid cystic carcinoma | 5 | 0 | 3: Adenoid cell carcinoma; 2: Pleomorphic adenoma |
| Mucoepidermoid carcinoma | 6 | 0 | 6: Mucoepidermoid cell carcinoma |