Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/70761
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dc.creatorThais dos Santos Fontes Pereirapt_BR
dc.creatorJúlio Cesar Tanos de Lacerdapt_BR
dc.creatorMichelle Danielle Porto Matiaspt_BR
dc.creatorAlessandro Oliveira de Jesuspt_BR
dc.creatorRicardo Santiago Gomezpt_BR
dc.creatorRicardo Alves Mesquitapt_BR
dc.date.accessioned2024-07-16T15:36:28Z-
dc.date.available2024-07-16T15:36:28Z-
dc.date.issued2016-
dc.citation.volume8pt_BR
dc.identifier.doihttps://doi.org/10.4317%2Fjced.52605pt_BR
dc.identifier.issn1989-5488pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/70761-
dc.description.abstractO fibroblastoma desmoplásico é um tumor benigno de tecidos moles, de origem fibroblástica ou miofibroblástica, que raramente ocorre na cavidade oral. Relatamos o caso de um homem de 56 anos que apresentava tumor em rebordo alveolar mandibular esquerdo, de crescimento lento e assintomático, sem envolvimento ósseo. O tumor era séssil, com superfície lobulada, coberto por mucosa hígida com áreas eritematosas. A lesão foi excisada e os espécimes enviados para histopatologia e imuno-histoquímica. O exame histopatológico evidenciou proliferação fibroblástica não encapsulada, caracterizada por miofibroblastos, fibroblastos fusiformes e estrelados com núcleos grandes ou ovais e bi ou tri nucleação, imersos em abundante estroma hipocelular denso de colágeno. As células tumorais foram positivas para vimentina, HHF35, α-actina de músculo liso e fator XIIIa. O diagnóstico de fibroblastoma desmoplásico baseou-se na história clínica de ausência de trauma relacionado ao crescimento do rebordo alveolar, associado a características macroscópicas, microscópicas e imuno-histoquímicas. O paciente está livre de doenças há oito meses.pt_BR
dc.description.resumoDesmoplastic fibroblastoma is benign soft tissue tumor, with fibroblastic or myofibroblastic origin, that rarely occurs in oral cavity. We reported the case of a 56-year-old man who presented a tumor in the left mandibular alveolar ridge, with slow and asymptomatic growth, with no osseous involvement. The tumor was sessile with lobulated surface, covered by healthy mucosa with erythematous areas. The lesion was excised and specimens sent to histopathology and immunohistochemistry. Histopathological exam showed a non-encapsulated fibroblastic proliferation, characterized by myofibroblasts, spindle and stellate fibroblasts with large or oval nuclei and bi or tri nucleation, immersed in an abundant hypocellular dense collagen stroma. Tumor cells were positive for vimentin, HHF35, α-smooth muscle actin and factor XIIIa. The diagnosis of desmoplastic fibroblastoma was based in the clinical history of absence of trauma related to the growth in the alveolar ridge, associated with macroscopic, microscopic and immunohistochemical features. The patient is free-diseases by eight months.pt_BR
dc.format.mimetypepdfpt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentFAO - DEPARTAMENTO DE CLÍNICApt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofJournal of clinical and experimental dentistrypt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectCollagenous fibromapt_BR
dc.subjectDesmoplastic fibroblastomapt_BR
dc.subjectNeoplasm of connective and soft tissuept_BR
dc.subject.otherFibroma desmoplásicopt_BR
dc.subject.otherBocapt_BR
dc.subject.otherNeoplasias de tecidos molespt_BR
dc.titleDesmoplastic fibroblastoma (collagenous fibroma) of the oral cavitypt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4739375/pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-5570-3550pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-1858-1096pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-8770-8009pt_BR
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