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Review
. 2015 May-Jun;81(3):301-6.
doi: 10.1016/j.bjorl.2015.03.007. Epub 2015 Mar 30.

Parotid gland tumors: a retrospective study of 154 patients

Gerson Schulz Maahs  1 , Paula de Oliveira Oppermann  2 , Lucas Gerhard Peter Maahs  3 , Geraldo Machado Filho  3 , André Dajori Ronchi  3
Affiliations
Review

Parotid gland tumors: a retrospective study of 154 patients

Gerson Schulz Maahs et al. Braz J Otorhinolaryngol. 2015 May-Jun.

Abstract
in English, Portuguese

Introduction: Benign tumors of the parotid gland comprise the majority of salivary gland tumors.

Objective: To review the clinical characteristics of parotid gland tumors submitted to surgical treatment by the same surgeon.

Methods: Retrospective study with 154 patients who had parotid gland tumors. Clinical and histological data, type of surgery, and complications were assessed and described.

Results: The main manifestation was a mass with a median evolution of 12 months for benign tumors and five months for malignant tumors. Ultrasonography was the most frequent complementary exam. Pleomorphic adenoma was the most common of the benign tumors, and mucoepidermoid carcinoma was the most frequent malignant tumor. Superficial parotidectomy with preservation of the facial nerve was the most common surgical procedure and reversible paresis of branches of the facial nerve was the most common complication.

Conclusions: Pleomorphic adenoma is the most common parotid gland tumor and superficial parotidectomy with preservation of the facial nerve is the most common and appropriate treatment for most low-morbidity tumors.

Introdução: Os tumores de parótida são frequentemente de natureza benigna e correspondem à maioria dos tumores de glândulas salivares.

Objetivo: Revisar as características clínicas de neoplasias de parótidas submetidas a tratamento cirúrgico pelo mesmo cirurgião.

Método: Estudo retrospectivo, onde foram avaliados 154 pacientes com neoplasia de parótida. Dados clínicos, histológicos, tipo de cirurgia e complicações foram compilados e descritos.

Resultados: A principal manifestação foi a de uma massa tumoral com uma mediana de tempo de evolução de 12 meses para os tumores benignos e 5 meses para os tumores malignos. A ecografia foi o exame complementar mais indicado. Dentre os tumores benignos, o adenoma pleomórfico foi o mais comum e o carcinoma mucoepidermóide o mais frequente dentre os malignos. A parotidectomia superficial com preservação do nervo facial foi a cirurgia mais indicada e a paresia reversível de ramos do nervo facial, a complicação mais prevalente.

Conclusões: O adenoma pleomórfico é o tumor mais comum da glândula parótida e a parotidectomia superficial com preservação do nervo facial é o tratamento mais adequado para a maioria dos tumores de baixa morbidade.

Keywords: Glândula parótida; Glândulas salivares; Neoplasias parotídeas; Parotid gland; Parotid neoplasms; Salivary glands.

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