Desmoplastic fibroblastoma (collagenous fibroma) of the oral cavity
Identifieur interne : 000913 ( Main/Exploration ); précédent : 000912; suivant : 000914Desmoplastic fibroblastoma (collagenous fibroma) of the oral cavity
Auteurs : Thais-Dos Santos-Fontes Pereira ; Júlio-Cesar-Tanos De Lacerda [Brésil] ; Michelle-Danielle Porto-Matias ; Alessandro-Oliveira De Jesus ; Ricardo-Santiago Gomez ; Ricardo-Alves MesquitaSource :
- Journal of Clinical and Experimental Dentistry [ 1989-5488 ] ; 2016.
Abstract
Desmoplastic 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.
Url:
DOI: 10.4317/jced.52605
PubMed: 26855713
PubMed Central: 4739375
Affiliations:
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School of Dentistry. Universidade Federal de Minas Gerais</nlm:aff></affiliation></author><author><name sortKey="De Lacerda, Julio Cesar Tanos" sort="De Lacerda, Julio Cesar Tanos" uniqKey="De Lacerda J" first="Júlio-Cesar-Tanos" last="De Lacerda">Júlio-Cesar-Tanos De Lacerda</name><affiliation wicri:level="2"><nlm:aff id="A2">Stomatology service, Odilon Behrens Hospital, Belo Horizonte, Minas Gerais, Brazil</nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea>Stomatology service, Odilon Behrens Hospital, Belo Horizonte, Minas Gerais</wicri:regionArea><placeName><region type="state">Minas Gerais</region></placeName></affiliation></author><author><name sortKey="Porto Matias, Michelle Danielle" sort="Porto Matias, Michelle Danielle" uniqKey="Porto Matias M" first="Michelle-Danielle" last="Porto-Matias">Michelle-Danielle Porto-Matias</name><affiliation><nlm:aff id="A1">Department of Oral Surgery and Pathology. School of Dentistry. Universidade Federal de Minas Gerais</nlm:aff></affiliation></author><author><name sortKey="De Jesus, Alessandro Oliveira" sort="De Jesus, Alessandro Oliveira" uniqKey="De Jesus A" first="Alessandro-Oliveira" last="De Jesus">Alessandro-Oliveira De Jesus</name><affiliation><nlm:aff id="A1">Department of Oral Surgery and Pathology. School of Dentistry. Universidade Federal de Minas Gerais</nlm:aff></affiliation></author><author><name sortKey="Gomez, Ricardo Santiago" sort="Gomez, Ricardo Santiago" uniqKey="Gomez R" first="Ricardo-Santiago" last="Gomez">Ricardo-Santiago Gomez</name><affiliation><nlm:aff id="A1">Department of Oral Surgery and Pathology. School of Dentistry. Universidade Federal de Minas Gerais</nlm:aff></affiliation></author><author><name sortKey="Mesquita, Ricardo Alves" sort="Mesquita, Ricardo Alves" uniqKey="Mesquita R" first="Ricardo-Alves" last="Mesquita">Ricardo-Alves Mesquita</name><affiliation><nlm:aff id="A1">Department of Oral Surgery and Pathology. School of Dentistry. Universidade Federal de Minas Gerais</nlm:aff></affiliation></author></analytic><series><title level="j">Journal of Clinical and Experimental Dentistry</title><idno type="eISSN">1989-5488</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Desmoplastic 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.
</p><p><bold> Key words:</bold>Collagenous fibroma, desmoplastic fibroblastoma, neoplasm of connective and soft tissue.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Evans, Hl" uniqKey="Evans H">HL Evans</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Nielsen, Gp" uniqKey="Nielsen G">GP Nielsen</name></author><author><name sortKey="O Connell, Jx" uniqKey="O Connell J">JX O'Connell</name></author><author><name sortKey="Dickersin, Gr" uniqKey="Dickersin G">GR Dickersin</name></author><author><name sortKey="Rosenberg, Ae" uniqKey="Rosenberg A">AE Rosenberg</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Macchia, G" uniqKey="Macchia G">G Macchia</name></author><author><name sortKey="Trombetta, D" uniqKey="Trombetta D">D Trombetta</name></author><author><name sortKey="Moller, E" uniqKey="Moller E">E Möller</name></author><author><name sortKey="Mertens, F" uniqKey="Mertens F">F Mertens</name></author><author><name sortKey="Storlazzi, Ct" uniqKey="Storlazzi C">CT Storlazzi</name></author><author><name sortKey="Debiec Rychter, M" uniqKey="Debiec Rychter M">M Debiec-Rychter</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Jham, Bc" uniqKey="Jham B">BC Jham</name></author><author><name sortKey="De Mesquita Netto, Ac" uniqKey="De Mesquita Netto A">AC De Mesquita Netto</name></author><author><name sortKey="Resende, Rg" uniqKey="Resende R">RG Resende</name></author><author><name sortKey="Ribeiro, Dc" uniqKey="Ribeiro D">DC Ribeiro</name></author><author><name sortKey="Mesquita, Ra" uniqKey="Mesquita R">RA Mesquita</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Varghese, T" uniqKey="Varghese T">T Varghese</name></author><author><name sortKey="Pillai, Ks" uniqKey="Pillai K">KS Pillai</name></author><author><name sortKey="Sarojini, Sb" uniqKey="Sarojini S">SB 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Pereira</name><name sortKey="Porto Matias, Michelle Danielle" sort="Porto Matias, Michelle Danielle" uniqKey="Porto Matias M" first="Michelle-Danielle" last="Porto-Matias">Michelle-Danielle Porto-Matias</name></noCountry><country name="Brésil"><region name="Minas Gerais"><name sortKey="De Lacerda, Julio Cesar Tanos" sort="De Lacerda, Julio Cesar Tanos" uniqKey="De Lacerda J" first="Júlio-Cesar-Tanos" last="De Lacerda">Júlio-Cesar-Tanos De Lacerda</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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