Peripheral Ameloblastoma with Dystrophic Calcification: An Unusual Feature in Non-Calcifying Odontogenic Tumors

Peripheral ameloblastoma is a rare extraosseous counterpart of central ameloblastoma that occurs in soft tissues and may cause bone crest resorption. This study reports a peripheral ameloblastoma on the buccal gingiva of a 56-year-old man, which presented extensive squamous metaplasia areas, keratin...

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Published inBrazilian dental journal Vol. 25; no. 3; pp. 253 - 256
Main Authors Lascane, Nelise Alexandre da Silva, Sedassari, Bruno Tavares, Alves, Fábio de Abreu, Gallottini, Marina Helena Cury, Sousa, Suzana Cantanhede Orsini Machado de
Format Journal Article
LanguageEnglish
Published 01.07.2014
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Summary:Peripheral ameloblastoma is a rare extraosseous counterpart of central ameloblastoma that occurs in soft tissues and may cause bone crest resorption. This study reports a peripheral ameloblastoma on the buccal gingiva of a 56-year-old man, which presented extensive squamous metaplasia areas, keratinization and dystrophic calcifications in the neoplastic islands. It is emphasized the need of a detailed imaging study and a long follow-up period to exclude bone involvement whenever peripheral ameloblastoma diagnosis is considered. Ameloblastoma periférico é a contraparte rara extraóssea do ameloblastoma central, que ocorre em tecidos moles e pode causar reabsorção da crista óssea. Este estudo reporta um ameloblastoma periférico localizado na gengiva vestibular de um homem de 56 anos de idade, que apresentava extensas áreas de metaplasia escamosa, queratinização e calcificação distrófica dentro das ilhas neoplásicas. É enfatizada a necessidade de um estudo de imagem detalhado e acompanhamento prolongado para excluir envolvimento ósseo sempre que o diagnóstico de ameloblastoma periférico for considerado.
ISSN:0103-6440
0103-6440
DOI:10.1590/0103-6440201300024