Table 1.
WHO histological classification of epithelial tumours of the salivary gland [20]
| Malignant epithelial tumors | Benign epithelial tumors |
|---|---|
| Acinic cell carcinoma | Pleomorphic adenoma |
| Mucoepidermoid carcinoma | Myoepithelioma |
| Adenoid cystic carcinoma | Basal cell adenoma |
| Polymorphous low-grade adenocarcinoma (PLGA) | Warthin tumor |
| Epithelial-myoepithelial carcinoma | Oncocytoma |
| Clear cell carcinoma (NOS) | Canalicular adenoma |
| Basal cell adenocarcinoma | Sebaceous adenoma |
| Sebaceous carcinoma | Lymphadenoma |
| Sebaceous lymphadenocarcinoma | Sebaceous |
| Cystadenocarcinoma | Non-sebaceous |
| Low-grade cribriform cystadenocarcinoma | Ductal papillomas |
| Mucinous adenocarcinoma | Inverted ductal papilloma |
| Oncocytic carcinoma | Intraductal papilloma |
| Salivary duct carcinoma | Sialadenoma papilliferum |
| Adenocarcinoma (NOS) | Cystadenoma |
| Myoepithelial carcinoma | |
| Carcinoma ex pleomorphic adenoma | |
| Carcinosarcoma | |
| Metastasizing pleomorphic adenoma | |
| Squamous cell carcinoma | |
| Small cell carcinoma | |
| Large cell carcinoma | |
| Lymphoepithelial carcinoma | |
| Sialoblastoma |