NUMERO: #20240942

Título: SOLITARY FIBROUS TUMOR OF THE TONGUE: A CASE REPORT

Nome do Apresentador: Anne Evelyn Oliveira MOURA

Categoria do Trabalho: Painel de caso clínico (PCC)

Área Temática: Patologia Oral

Resumo: A 42-year-old woman presented with a submucosal, painless nodule on the tongue. Intraoral examination revealed a well-circumscribed mass covered by normal mucosa, with a fibrous consistency and located in the anterior part of the tongue. Benign mesenchymal neoplasms, such as neurofibroma and neurilemoma, were the main clinical hypotheses. An excisional biopsy was performed, and microscopic examination revealed an encapsulated mass containing a distribution of hypo- and hypercellular areas. Additionally, sheets of spindle-shaped cells with a patternless arrangement were found, separated by dilated and angulated vascular spaces. The tumor cells were positive for CD34, Bcl2, and CD99, and negative for S-100. The tumor cells also showed nuclear reactivity for STAT6, confirming the diagnosis of solitary fibrous tumor (SFT). The patient is under follow up for 2 months, without clinical signs of tumor recurrence. Even though oral involvement is rare, TFS should be included in the differential diagnosis of tongue submucosal lesions.

Autor 1:  Anne Evelyn Oliveira MOURA

E-mail 1:  [email protected]

Autor 2:   Evelyne Pedroza de ANDRADE

E-mail 2:  [email protected]

Autor 3 :  Danielle Machado FARIAS

E-mail 3:  [email protected]

Autor 4:  Hélen Kaline Farias BEZERRA

E-mail 4:  [email protected]

Autor 5:  Pablo Agustin VARGAS

E-mail 5:  [email protected]

Autor 6:  Elaine Judite de Amorim CARVALHO

E-mail 6:  [email protected]

Autor 7:  Danyel Elias da Cruz PEREZ

E-mail 7:  [email protected]