Intraoral lipoma with degenerative changes mimicking atypical lipomatous tumor: an immunohistochemical study

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorSilva, Evânio Vilela-
Autor(es): dc.creatorSilveira, Heitor Albergoni-
Autor(es): dc.creatorPanucci, Beatriz Zamboni Martins-
Autor(es): dc.creatorMolena, Kelly Fernanda-
Autor(es): dc.creatorAlmeida, Luciana Yamamoto-
Autor(es): dc.creatorBufalino, Andreia-
Autor(es): dc.creatorLeón, Jorge Esquiche-
Data de aceite: dc.date.accessioned2025-08-21T17:06:24Z-
Data de disponibilização: dc.date.available2025-08-21T17:06:24Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2022-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.4322/acr.2021.413-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/248145-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/248145-
Descrição: dc.descriptionLipomas are mesenchymal neoplasms relatively uncommon in the oral cavity. Lipomas can exhibit histopathological features mimicking atypical lipomatous tumors (ALT) or dysplastic lipoma (DL) in the presence of degenerative changes. Relevantly, immunohistochemistry assists in the correct diagnosis. Herein, we present the case of a 54-year-old male with a sessile nodule located on the dorsum of the tongue. The histopathological analysis showed a diffuse, non-circumscribed adipocytic proliferation constituted by cells of variable size containing cytoplasmic vacuoles and displaced nuclei, some resembling lipoblasts supported by fibrous connective tissue stroma. By immunohistochemistry, tumor cells were positive for vimentin, S100, FASN, CD10, and p16. Rb expression was intact. Moreover, CD34, p53, MDM2, and CDK4 were negative. After 2-year of follow-up, no alteration or recurrence was observed. In conclusion, MDM2, CDK4, p53, and Rb immunomarkers can be used reliably to differentiate benign lipoma with degenerative changes from ALT and DL.-
Descrição: dc.descriptionUniversidade Estadual Paulista (Unesp) Araraquara Dental School Oral Medicine Department of Diagnosis and Surgery, SP-
Descrição: dc.descriptionUniversidade de São Paulo (USP) Ribeirão Preto Dental School Oral Pathology Department of Stomatology Public Oral Health and Forensic Dentistry, SP-
Descrição: dc.descriptionUniversidade Estadual Paulista (Unesp) Araraquara Dental School Oral Medicine Department of Diagnosis and Surgery, SP-
Idioma: dc.languageen-
Relação: dc.relationAutopsy and Case Reports-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectImmunohistochemistry-
Palavras-chave: dc.subjectLipoma-
Palavras-chave: dc.subjectLiposarcoma-
Palavras-chave: dc.subjectMouth-
Título: dc.titleIntraoral lipoma with degenerative changes mimicking atypical lipomatous tumor: an immunohistochemical study-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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