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|Title:||Giant dentinogenic ghost cell tumor: a case report|
de Lima Morais, T.M.
de Almeida, O.P.
|Abstract:||Dentinogenic ghost cell tumor (DGCT), a rare, benign odontogenic tumor with aggressive behavior, causes bone destruction and cortical expansion. We report here a case of DGCT in a 38-year-old male, presenting with enormous extraoral protrusion, which radiographically was predominantly radiolucent with radiopaque areas. Microscopically, it was observed to be a solid ameloblastomatous proliferation with pseudoglandular structures associated with clusters of ghost cells. Abundant dentinoid material adjacent to the epithelial sheets containing entrapped epithelial tumor cells was also evident. Immunohistochemistry revealed positivity for pan-cytokeratin (CK), CK-14, CK-7, and CK-19; CD138; and β-catenin. The Ki-67 proliferative index was very low (<1%). The clinical, histopathologic, and immunohistochemical features led to the diagnosis of DGCT. The patient underwent partial mandibulectomy, and no recurrences have occurred. To our knowledge, this is the largest DGCT described in the English language literature|
|Appears in Collections:||FOP - Artigos e Outros Documentos|
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