Issue N# 5 - 1999
SALIVARY GLANDS
Epidemiologic study of salivary glands tumors
Authors : C. Frade Gonzalez, A. Lozano Ramirez, T. Garcia Caballero, T. Labella Caballero (Santiago)
Ref. : Rev Laryngol Otol Rhinol. 1999;120,5:331-336.
Article published in english 
Summary :
The tumors located in the salivary glands form the most heterogeneous group in all human oncological pathology. They show various epidemiological, clinical and evolutionary characteristics which separate them from other neoplasms of the head and neck. In this paper, we have carried out a study on their epidemiological aspects, collecting 80 cases diagnosed in the ENT Service of the University Hospital Complex of Santiago in 17 years. The incidence was 1.22 cases per 100 000 inhabitants and year. The frequency was higher in males (58.75 %) and in the 7th decade of age. A predominance was noticed in females under 40 years of age and in males over this age, but the differences were not statistically significant. The most frequent site was the parotid gland, and we could not find any case in the sublingual gland. In 52.5 % of cases the tumor was benign, pleomorphic adenoma being the most prevalent. Among malignant tumors, in our series stood out the epidermoid carcinoma. The prevalence of benign tumors in females and of malignant tumors in males was clear, with significant differences. We compare our results with the data published in the literature.
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