NUMERO: #20220259

Título: CONVENTIONAL SQUAMOUS CELL CARCINOMA COEXISTING WITH A VERRUCOUS CARCINOMA: A HYBRID NEOPLASM

Nome do Apresentador: Vivian Narana Ribeiro el ACHKAR

Categoria do Trabalho: Trabalhos Aprovados para Disponibilização em Vídeo (ADV)

Área Temática: Patologia Oral

Resumo: Verrucous carcinoma (VC) is low-grade variant of squamous cell carcinoma (SCC) that lacks the cytological features of malignancy and does not metastasize, differently from the conventional SCC. Oral hybrid verrucous carcinoma is a rare neoplasm composed of VC and conventional SCC. Hereinafter, we report a case of this hybrid neoplasm in an 81 years-old male former smoker. In the intraoral examination, the patient exhibited a white lesion with a verrucous surface in the maxillary alveolar ridge. Under clinical hypothesis of VC or conventional SCC, an incisional biopsy was performed. Microscopically, the tumor showed an endophytic proliferation of hyperkeratinized squamous epithelium with parakeratin plugging and bulbous rete ridges extending to the depth. Interestingly, areas of infiltration by trabeculae and islands of well-differentiated SCC were also observed. The final diagnosis was SCC coexisting with a VC (hybrid verrucous carcinoma). The patient was referred to head and neck service and is under treatment.

Autor 1:  Vivian Narana Ribeiro el ACHKAR

E-mail 1:  [email protected]

Autor 2:   Victor Bernardes Barroso Costa

E-mail 2:  [email protected]

Autor 3 :  Noala Vicensoto Moreira Milhan

E-mail 3:  [email protected]

Autor 4:  Camilla Magnoni Moretto

E-mail 4:  [email protected]

Autor 5:  Maria Cecília Barbosa

E-mail 5:  [email protected]

Autor 6:  Amanda Kelly Barreto Tomé

E-mail 6:  [email protected]

Autor 7:  Elis Andrade Lima Zutin

E-mail 7:  [email protected]