Adenomatoid hyperplasia of minor salivary glands: a report of two cases

Cleverson Patussi, Regiane Benez Bixofis, Fernando Luiz Zanferri, Laurindo Moacir Sassi, Juliana Lucena Schussel


Introduction: Adenomatoid hyperplasia of minor salivary glands is a rare benign lesion that can be mistakenly diagnosed as other types of salivary gland neoplasms. It presents as a small firm nodule or as an exophytic mass, usually painless with normal mucosa, and slightly red or blue. Histologically, aggregates of relatively normal acinar lobule mucosa can be seen in larger amounts than expected, causing increased volume and sometimes pain. Case report: This article describes two cases of adenomatoid hyperplasia of minor salivary glands, the first in the left buccal mucosa of a 12 year-old boy and the second in the labial mucosa of a 44 year-old woman, and a review of previous reports of this pathology in English literature. The clinical appearance of the tumor is indistinguishable from salivary gland neoplasms and pathological examination is therefore essential for definitive diagnosis of this pathology. In both cases the treatment chosen after diagnosis was follow up and no changes were observed over 2 years from the first appointment.

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