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RGO (Porto Alegre) ; 62(1)jan.-mar. 2014. ilus
Article in Portuguese | LILACS | ID: lil-712103

ABSTRACT

Verruciform xanthoma represents a rare disease of unknown etiology that typically affects the oral mucosa. In most cases, it is asymptomatic and characterized by a well demarcated elevation with irregular or papillary surface. The gums are the most affected oral site, and the lesion is usually less than 2 cm in diameter. The aim of this study is to report a rare case of an extensive verruciform xanthoma in the hard palate and gums of a 55-year-old male. Clinically, the well delimitated, reddish, elastic lesion measuring approximately 2.8 X 1.5 cm had a slightly granular surface. Histopathological analysis found proliferative epithelial activity with evident papillomatosis, parakeratosis, and large epithelial ridges. Xanthomatous cells with clear, vacuolated cytoplasm were detected in the lamina propria. The patient has been disease free for 18 months. According to an extensive research in the PubMed, MEDLINE, and Lilacs databases, this paper describes one of the most extensive cases of verruciform xanthoma reported in the literature.


O xantoma verruciforme ? uma les?o rara de etiologia n?o determinada, que acomete, principalmente, a mucosa oral. Na maioria das vezes ? assintom?tica, caracterizando-se por uma eleva??o bem-delimitada, de superf?cie rugosa ou papilar, e sua principal localiza??o na boca ? agengiva. Com rela??o ao tamanho, a maioria das les?es n?o ultrapassa 2 cm no seu maior di?metro. O objetivo do presente trabalho ? relatar um caso raro de extenso xantoma verruciforme em paciente do g?nero masculino, de 55 anos, apresentando les?o localizada no palato duroe na gengiva palatina. Clinicamente, a les?o possu?a bordas bem-destacadas, de superf?cie levemente granular e colora??o avermelhada, com consist?ncia el?stica, medindo aproximadamente 2,8 X 1,5cm. O exame histopatol?gico demonstrou a presen?a de prolifera??o do epit?liode revestimento, exibindo papilomatose, paraceratose e alongamento das cristas epiteliais. Na l?mina pr?pria, c?lulas xantomatosas com citoplasma claro e vacuolado puderam ser observadas. O paciente encontra-se livre de recidivas ap?s 18 meses de acompanhamento cl?nico. De acordo com extensa pesquisa em bases de dados (pubmed, medline, lilacs), o presente caso representa uma das maiores les?es do tipo xantoma verruciforme j? relatadas na literatura.

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