NUMERO: #20230169

Título: NON-CALCIFYING LANGERHANS CELL-RICH VARIANT OF CALCIFYING EPITHELIAL ODONTOGENIC TUMOR MIMICKING A PERIAPICAL LESION

Nome do Apresentador: Thalita Soares TAVARES

Categoria do Trabalho: Painel de caso clínico (PCC)

Área Temática: Patologia Oral

Resumo: A 48-year-old female patient had a painless intraosseous lesion involving the periapex of the maxillary right first molar. Intraoral examination revealed a slight swelling on the right buccal region. Tomographic images disclosed an unilocular, well-defined hypodense image measuring 13x12x11 mm. The pulp sensibility test of the tooth involved was negative, suggesting an inflammatory periapical lesion. An excisional biopsy was performed. Histopathological analysis exhibited a benign, non-encapsulated, solid lesion composed of cords and small sheets of odontogenic epithelium intermingled with nests of clear cells and amyloid-like material deposition. There was no evidence of calcified material. Both PAS and Congo-red staining were negative in the clear cells and the amyloid-like material, respectively. Neoplastic cells showed diffuse positivity for CK19, with focal positivity for CK7 and S100. Based on clinicopathological findings, the diagnosis of non-calcifying Langerhans cell-rich variant of calcifying epithelial odontogenic tumor was established. Support: CAPES; CNPq.

Autor 1:  Thalita Soares TAVARES

E-mail 1:  [email protected]

Autor 2:   Fernanda Aragão FELIX

E-mail 2:  [email protected]

Autor 3 :  Natália dos Santos BARCELOS

E-mail 3:  [email protected]

Autor 4:  Adriana Aparecida Silva DA COSTA

E-mail 4:  [email protected]

Autor 5:  Maria Cássia Ferreira de AGUIAR

E-mail 5:  [email protected]

Autor 6:  Patrícia Carlos CALDEIRA

E-mail 6:  [email protected]

Autor 7:  Tarcília Aparecida da SILVA

E-mail 7:  [email protected]