TABLE 1.
Tumor pathology
| Categorization | Pathology | Number | Percentage (%) |
|---|---|---|---|
| Benign | 655 | ||
| Pleomorphic adenoma | 384 | 58.6 | |
| Papillary cystadenoma lymphomatosum | 96 | 14.7 | |
| Oncocytoma | 29 | 4.4 | |
| Basal cell adenoma | 22 | 3.4 | |
| Lymphoepithelial cyst | 20 | 3.1 | |
| Reactive lymphoid hyperplasia | 16 | 2.4 | |
| Lipoma | 16 | 2.4 | |
| Benign cystic lesion | 7 | 1.1 | |
| Myoepithelioma | 6 | 0.9 | |
| Other (frequency < 5) | 59 | 9.0 | |
| Malignant | 269 | ||
| Metastatic squamous cell carcinoma | 88 | 32.7 | |
| Mucoepidermoid carcinoma | 36 | 13.4 | |
| Acinic cell carcinoma | 26 | 9.7 | |
| Metastatic melanoma | 16 | 5.9 | |
| Salivary duct carcinoma | 15 | 5.6 | |
| Basal cell adenocarcinoma | 11 | 4.1 | |
| Lymphoma | 23 | 8.6 | |
| Carcinoma ex‐pleomorphic adenoma | 10 | 3.7 | |
| Adenoid cystic carcinoma | 10 | 3.7 | |
| Other (frequency < 5) | 34 | 12.6 |