Table 2.
Distribution of parotid neoplasms (2000–2018).
| Histologic type | N | Percentage (%) |
|---|---|---|
| Benigna | 122 | 100.0 |
| Warthin tumor | 63 | 51.6 |
| Pleomorphic adenoma | 49 | 40.2 |
| Basal cell adenoma | 2 | 1.6 |
| Lipoma | 7 | 5.7 |
| Myoepithelioma | 1 | 0.8 |
| Malignantb | 14 | 100.0 |
| Acinic cell carcinoma | 2 | 14.3 |
| Adenocarcinoma | 1 | 7.1 |
| Basal cell adenocarcinoma | 1 | 7.1 |
| Lymphoma | 4 | 28.6 |
| Mucoepidermoid carcinoma | 3 | 21.4 |
| Salivary duct carcinoma | 1 | 7.1 |
| Squamous cell carcinoma | 2 | 14.3 |
| Indeterminate neoplastic lesions (FNA only) | 5 | 100.0 |
a
Non-diagnostic and normal FNAs excluded.
b
Metastatic lesions excluded.