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Year: 2014  Vol. 18   Num. 2  - Apr/Junee
DOI: 10.1055/s-0033-1352507
Case Report
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Adenoid Cystic Carcinoma Mimicking an Oroantral Fistula: A Case Report
Brbara Vanessa de Brito Monteiro, Rafael Grotta Grempel, Daliana Queiroga de Castro Gomes, Gustavo Pina Godoy, Mrcia Cristina da Costa Miguel
Key words:
carcinoma - adenoid cystic - maxillary sinus neoplasms - maxillary sinus

Introduction: Adenoid cystic carcinoma (ACC) is one of the most frequent malignant salivary gland tumors, which commonly affects the minor salivary glands of the mouth and is rare in the nose and paranasal sinuses. In the maxillary sinus, ACC can mimic inflammatory diseases and has a poor prognosis.

Objective: To report a case of a 50-year-old man with ACC of the maxillary sinus whose clinical findings in the alveolar ridge mimicked an oroantral fistula.

Case Report: An excisional biopsy was performed and histopathologic analysis revealed ACC. Lung metastases and residual tumor in the maxillary sinus were detected by imaging methods. In view of the poor general health of the patient, no new surgical intervention was performed and he was only treated by radiotherapy and follow-up.

Conclusion: Although rare in the maxillary sinus, ACC should be included in the differential diagnosis of lesions affecting this site.



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