TABLE 9.
False‐Negative Cases in the Benign Category
| Histology | Category of MSRSGC | Total No. | |
|---|---|---|---|
| Non‐Neoplastic (No.) | Neoplasm, Benign (No.) | ||
| Carcinoma ex pleomorphic adenoma | Pleomorphic adenoma (5) | 5 | |
| Mucoepidermoid carcinoma | Inflammation (1) | Pleomorphic adenoma (3) | 5 |
| Warthin tumor (1) | |||
| Adenoid cystic carcinoma | Pleomorphic adenoma (2) | 3 | |
| Basal cell adenoma (1) | |||
| Malignant lymphoma | Lymphoid hyperplasia (3) | 3 | |
| Salivary duct carcinoma | Reactive lesion (1) | 1 | |
| Polymorphous adenocarcinoma | Pleomorphic adenoma (1) | 1 | |
| Metastatic carcinoma, NOS | Inflammation (1) | 1 | |
| Total no. | 6 | 13 | 19 |
Abbreviations: MSRSGC, Milan System for Reporting Salivary Gland Cytopathology; NOS, not otherwise specified.