Table 3.
Anatomical distribution and histology of minor SGTs
| Histologic type | FOM | Hard palate | Soft palate | Palate (NOS) | Cheek | Lip | Tongue | Sinuses | Other | Total (%) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M (%) | F (%) | ||||||||||
| Benign | 315 (57) | ||||||||||
| 122 (60.7) | 193 (54.8) | ||||||||||
| Pleomorphic adenoma | 0 | 78 | 25 | 93 | 19 | 28 | 1 | 9 | 34 | 287 (51.9) | |
| 114 (39.7) | 173 (60.3) | ||||||||||
| Myoepithelioma | 0 | 3 | 2 | 3 | 1 | 2 | 0 | 1 | 1 | 13 | |
| Canalicular adenoma | 0 | 1 | 1 | 0 | 2 | 7 | 0 | 0 | 0 | 11 | |
| Cystadenoma | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 3 | |
| Malignant | 173 (60.3) | ||||||||||
| 79 (39.3) | 159 (45.2) | ||||||||||
| Acinic cell carcinoma | 0 | 0 | 0 | 0 | 9 | 5 | 1 | 0 | 1 | 16 | |
| Mucoepidermoid carcinoma | 0 | 10 | 3 | 16 | 10 | 0 | 8 | 3 | 8 | 58 (10.5) | |
| 18 (7.6) | 37 (11.7) | ||||||||||
| Adenoid cystic carcinoma | 3 | 18 | 4 | 13 | 3 | 2 | 4 | 15 | 9 | 71 (12.8) | |
| 21 (8.8) | 47(14.9) | ||||||||||
| PLGA | 0 | 13 | 3 | 9 | 12 | 4 | 1 | 6 | 4 | 52 (9.4) | |
| Epithelial-myoepithelial carcinoma | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | |
| Basal cell adenocarcinoma | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | |
| Salivary duct carcinoma | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
| Adenocarcinoma (NOS) | 1 | 3 | 1 | 4 | 3 | 1 | 0 | 2 | 4 | 19 | |
| Myoepithelial carcinoma | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 8 | |
| Carcinoma ex pleomorphic adenoma | 0 | 1 | 2 | 4 | 2 | 0 | 0 | 0 | 3 | 12 | |
| Total | 4 | 129 | 41 | 145 | 61 | 49 | 16 | 41 | 67 | 553 | |
| 201 (36.3) | 352 (63.7) | ||||||||||
FOM floor of mouth, NOS not otherwise specified