Epidemiological Profile of Salivary Gland Tumors in Southern Iranian Population: A Retrospective Study of 405 Cases

Table 3

Distribution of benign and malignant SGTs according to primary sites of involvement.

		Major salivary glands			Minor salivary glands					NS
		Parotid	Submandibular	Sublingual	Palate	Retromolar	Buccal	Floor of the mouth	Tongue
Benign	Pleomorphic adenoma	178	35	0	0	0	0	0	0	0
	Warthin’s tumor	65	0	0	0	0	0	0	0	0
	Basal cell adenoma	14	1	0	0	0	0	0	0	0
	Myoepithelioma	4	0	0	0	0	0	0	0	0
	Oncocytoma	3	0	0	0	0	0	0	0	0
	Monomorphic adenoma	2	0	0	0	0	0	0	0	0
	Total^a	266	36	0	0	0	0	0	0	0
	%^a	88	11.9	0	0	0	0	0	0	0
Malignant	Mucoepidermoid carcinoma	20	4	0	0	1	0	1	0	1
	Adenoid cystic carcinoma	10	5	1	3	0	1	2	1	0
	Acinic cell carcinoma	13	0	0	0	0	1	0	0	0
	Salivary duct carcinoma	8	0	0	0	0	0	0	0	0
	Lymphoma	3	2	0	0	0	1	0	0	0
	Malignant mixed tumor	4	0	0	0	0	1	0	0	0
	Carcinoma ex pleomorphic adenoma (CXPA)	3	1	0	0	0	0	0	0	0
	Basal cell adenocarcinoma	2	0	0	0	0	1	0	0	0
	Poorly differentiated carcinoma	3	0	0	0	0	0	0	0	0
	EMC	3	0	0	0	0	0	0	0	0
	Hyalinizing clear cell carcinoma	0	0	0	0	1	0	0	0	0
	Oncocytic carcinoma	1	0	0	0	0	0	0	0	0
	Papillary carcinoma	0	1	0	0	0	0	0	0	0
	Papillary adenocarcinoma	1	0	0	0	0	0	0	0	0
	Adenocarcinoma	0	1	0	0	0	0	0	0	0
	Small cell neuroendocrine carcinoma	1	0	0	0	0	0	0	0	0
	Adenosquamous cell carcinoma	1	0	0	0	0	0	0	0	0
	Total^a	73	14	1	3	2	5	3	1	1
	%^a	70.8	13.5	0.9	2.9	1.9	4.8	2.9	0.9	0.9
Total	(%)^b	339(83.7)	50(12.3)	1(0.2)	3(0.7)	2(0.4)	5(1.2)	3(0.7)	1(0.2)	1(0.2)

^aPercentage in relation with the group (benign/malignant). ^bPercentage in relation with total number of cases.