NUMERO: #20250551

Título: Massive Canalicular Adenoma of the Upper Lip: A Rare Clinical Presentation

Nome do Apresentador: Milena Escobar

Categoria do Trabalho: Painel de caso clínico (PCC)

Área Temática: Estomatologia

Resumo: Canalicular adenoma (CA) is a benign epithelial neoplasm of the salivary glands, predominantly arising in minor salivary glands and typically presenting as a small, slow-growing, submucosal nodule in the upper lip of elderly individuals. We report an unusual case of CA in a 57-year-old male who presented with a painless, fibrous, normochromic swelling measuring 6 cm in diameter, with a duration of three years, located in the upper lip mucosa. The main clinical hypothesis was of pleomorphic adenoma, and an incisional biopsy was performed. Histopathological analysis revealed monomorphic epithelial ductal cells arranged in anastomosing cords within a richly vascular stroma, confirming the diagnosis of CA. Conservative surgical excision was carried out uneventfully, and no recurrence was observed during a one-year follow-up. This case highlights a rare presentation of CA with an unusually large size, which may pose a diagnostic challenge in the clinical evaluation of upper lip nodules.

Autor 1:  Milena Escobar

E-mail 1:  [email protected]

Autor 2:   Tatiana Ferreira Robaina

E-mail 2:  [email protected]

Autor 3 :  Stephanie Vargas de Freitas

E-mail 3:  [email protected]

Autor 4:  Thais Sousa da Silva

E-mail 4:  [email protected]

Autor 5:  Nathalie Henriques da Silva Canedo

E-mail 5:  [email protected]

Autor 6:  Mário José Romañach

E-mail 6:  [email protected]

Autor 7:  Aline Corrêa Abrahão

E-mail 7:  [email protected]