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Published in: Oral and Maxillofacial Surgery 2/2020

01-06-2020 | Ameloblastoma | Case Report

Adenoid ameloblastoma in the posterior maxilla: a case report and review of the literature

Authors: José Alcides Almeida de Arruda, Mariana Saturnino Noronha, Lucas Guimarães Abreu, Júlio César Tanos de Lacerda, Tarcília Aparecida Silva, Ricardo Alves Mesquita

Published in: Oral and Maxillofacial Surgery | Issue 2/2020

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Abstract

Introduction

Adenoid ameloblastoma is a rare benign odontogenic tumor that favors a slight predilection for male patients, fourth and fifth decades of life, and posterior regions of the jaws. To date, less than 40 cases have been reported in the English language literature. The radiographic aspects of adenoid ameloblastoma vary from unilocular and well-defined lesions to diffuse and multilocular lesions. Most of the lesions exhibit a radiolucent image and are usually large, with a mean size of 3.5 cm. Microscopically, pseudoductal structures composed of columnar cells in a palisaded arrangement formed from the parenchyma of the tumor were observed.

Case presentation

We describe a case of adenoid ameloblastoma in a 54-year-old woman, who presented with no symptoms. Panoramic radiography showed a well-circumscribed, unilocular radiolucency in the left posterior maxilla.

Conclusion

As odontogenic tumors are rare, some entities are infrequently encountered, making the diagnosis more difficult. Clinicians, oral and maxillofacial surgeons and oral pathologists should be familiar with the adenoid ameloblastoma and its differential diagnosis for accurate diagnosis and management.
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Metadata
Title
Adenoid ameloblastoma in the posterior maxilla: a case report and review of the literature
Authors
José Alcides Almeida de Arruda
Mariana Saturnino Noronha
Lucas Guimarães Abreu
Júlio César Tanos de Lacerda
Tarcília Aparecida Silva
Ricardo Alves Mesquita
Publication date
01-06-2020
Publisher
Springer Berlin Heidelberg
Published in
Oral and Maxillofacial Surgery / Issue 2/2020
Print ISSN: 1865-1550
Electronic ISSN: 1865-1569
DOI
https://doi.org/10.1007/s10006-020-00830-1

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