Primary leiomyosarcoma of the mandible : a case report
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Primary leiomyosarcoma of the mandible : a case report

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Primary leiomyosarcoma of the mandible : a case report

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dc.contributor.author Pinheiro, João de Jesus Viana es
dc.contributor.author Alves, Sérgio de Melo es
dc.contributor.author Okuda, Edson es
dc.contributor.author Jorge, Waldir Antonio es
dc.contributor.author Jaeger, Ruy Gastaldoni es
dc.contributor.author Araujo, Ney es
dc.date.accessioned 2017-11-24T08:32:43Z
dc.date.available 2017-11-24T08:32:43Z
dc.date.issued 2007 es
dc.identifier.uri http://hdl.handle.net/10550/63298
dc.description.abstract The aim of this article is to describe a case of leiomyosarcoma of the mandible with immunohistochemical analysis that was useful in making the final diagnosis. A 40-year-old woman was referred to the Stomatology Clinic of São Paulo Tatuapé Hospital, , for evaluation of a lesion on the left side of the mandible. This lesion presented a fast growth in the last 6 months. Intraoral examination showed a firm, fixed, red colored mass measuring, approximately 60-mm in diameter. No lymph nodes involvement was found. The radiographic examination showed a lytic lesion showed ill-demarcated radiolucent with facial and lingual cortical bone destruction. Microscopic examination of the mandibular lesion showed a neoplasm composed by interlacing fascicles of spindle-shaped cells. Most of the cells presented a blut-ended elongated shape. A marked cellular pleomorphism was observed, represented by cells with irregular shape and abundant eosinophilic cytoplasm. Nuclei were large, hyperchromatic, either vacuoled or cigar-shape. The cytoplasm of the cells stained red with Masson?s trichrome stain. Neoplastic cells expressed vimentin, smooth-muscle actin, HHF-35 and desmin. These findings were consistent with the diagnosis of leiomyosarcoma. es
dc.source Pinheiro, João de Jesus Viana ; Alves, Sérgio de Melo ; Okuda, Edson ; Jorge, Waldir Antonio ; Jaeger, Ruy Gastaldoni ; Araujo, Ney. Primary leiomyosarcoma of the mandible : a case report. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 12 1 2007: 12- es
dc.title Primary leiomyosarcoma of the mandible : a case report es
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi es

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