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. 2016 Oct-Dec;14(4):508–512. doi: 10.1590/S1679-45082016AO3749

Table 2. Distribution of benign and malignant tumors of the minor salivary glands, according to histological type and anatomical site.

Histological type Anatomical site

Palate Oral mucosa Lip Floor of the mouth Retromolar area Tongue Total
n (%) n (%) n (%) n (%) n (%) n (%) n (%)
Benign tumors
Pleomorphic adenoma 9 (100.0) - - - - - 9 (100.0)
Basal cell adenoma - 1 (100.0) 0 (0) - - - 1 (100.0)
Canalicular adenoma - - 1 (100) - - - 1 (100.0)
Total 9 (81.8) 1 (9.1) 1 (9.1) - - - 11 (100.0)
Malignant tumors
Mucoepidermoid carcinoma 9 (53.0) 1 (5.9) 1 (5.9) 1 (5.9) 4 (23.4) 1 (5.9) 17 (100.0)
Polymorphous low-grade adenocarcinoma 4 (80.0) - 1 (20.0) - - - 5 (100.0)
Adenoid cystic carcinoma 2 (100.0) - - - - - 2 (100.0)
Acinic cell carcinoma - 1 (100.0) - - - - 1 (100.0)
Epithelial-myoepithelial carcinoma 1 (100.0) - - - - - 1 (100.0)
Total 16 (61.6) 2 (7.7) 2 (7.7) 1 (3.8) 4 (15.4) 1 (3.8) 26 (100.0)

Total 25 (67.6) 3 (8.1) 3 (8.1) 1 (2.7) 4 (10.8) 1 (2.7) 37 (100.0)