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International journal of odontostomatology

On-line version ISSN 0718-381X


ANDRADE, Ana Luiza Dias Leite de et al. Incidental Discovery of Acinic Cell Carcinoma of the Oral Mucosa with Metachronous Adenoid Cystic Carcinoma of the Upper Lip. Int. J. Odontostomat. [online]. 2018, vol.12, n.2, pp.125-130. ISSN 0718-381X.

Multiple salivary gland tumors represent an unusual event characterized by the development of composite lesions originated from minor or major salivary glands. These neoplasms can be categorized into three perspectives: Histologic type, time of appearance and topographic distribution. We report an unusual case of a 73-year-old black man with an acinic cell carcinoma (ACC) of the oral mucosa discovered incidentally during surgical removal of an adjacent mucocele. Approximately one year after the first consultation, the patient was seen at the local cancer reference center with a third lesion that was diagnosed as an adenoid cystic carcinoma (AdCC) of the upper lip. The patient underwent surgical reconstruction of the treated areas and has been free of the disease for the past year. To our knowledge, the combination of ACC and AdCC in intraoral sites has not been reported in the literature.

Keywords : salivary gland neoplasms; acinic cell carcinoma; adenoid cystic carcinoma; second metachronous primary neoplasms.

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