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Vol. 60. Issue 3.
Pages 199-201 (January 2009)
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Vol. 60. Issue 3.
Pages 199-201 (January 2009)
Minor salivary gland tumours: a 10-year study
Neoplasias de glándulas salivales menores: estudio de 10 años
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Roberta Targa-Stramandinolia, Cassius Torres-Pereiraa, Cleto M. Piazzettaa, Allan F. Giovaninib, José M. Amenábara,
Corresponding author
jamenaba@ufpr.br

Corresponding author.
a Departamento de Estomatología, Universidade Federal do Paraná, Curitiba, Brasil
b Laboratorio de Patología Bucal, Universidade Positivo, Curitiba, Brazil
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Abstract

Salivary gland tumours represent between 2% and 6.5%, approximately, of all head and neck tumours. The aim of this paper was to identify the frequency of minor salivary gland tumours among patients in the Oral Medicine Clinic of the Federal University of Paraná during the period from 1997 to 2007. A retrospective study was conducted on 1923 histopathological analyses of oral lesions. Fourteen cases of salivary gland tumours were found, of which 7 were benign and 7 malignant. The lesions were localized mainly in the palate (71.5%). By histological type, 50% of the lesions were characterized as pleomorphic adenoma, 28.6% mucoepidermoid carcinoma, 14.3% cystic adenoid carcinoma, and 7.1% as polymorphous adenocarcinoma. These findings suggest that salivary gland tumours have a low incidence in the population and that the pleomorphic adenoma is the most common type of tumour, followed by mucoepidermoid carcinoma.

Keywords:
Salivary glands
Neoplasm
Oral manifestations
Resumen

Las neoplasias de las glándulas salivales representan aproximadamente un 2–6,5% de todos los tumores de la cabeza y cuello. El objetivo de este trabajo es identificar la frecuencia de neoplasias de glándulas salivales menores en pacientes de Medicina Oral de la Universidad Federal de Paraná atendidos de 1997 a 2007. Se realizó un estudio retrospectivo mediante el análisis de 1.923 laudos histopatológicos, y se halló 14 casos de neoplasias de glándulas salivales. Las lesiones encontradas fueron 7 tumores benignos y 7 malignos. Las alteraciones, en su mayoría, se encontraban en la mucosa palatina (71,5%). En cuanto al tipo histológico, el 50% se caracterizó como adenoma pleomorfo; el 28,6%, como carcinoma mucoepidermoide; el 14,3%, como carcinoma adenoide quístico, y el 7,1%, como adenocarcinoma polimorfo. Estos resultados permiten concluir que las neoplasias de glándulas salivales tienen una baja incidencia en la población y que el adenoma pleomorfo es el tipo de neoplasia más común, seguido del carcinoma mucoepidermoide.

Palabras clave:
Glándulas salivales
Neoplasias
Manifestaciones bucales

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