Ceratoacantoma em lábio inferior

• Autor(a) principal: Antunes, Fernanda [UNESP]
• Data de Publicação: 2018
• Tipo de documento: Trabalho de conclusão de curso
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://hdl.handle.net/11449/203286; http://www.athena.biblioteca.unesp.br/exlibris/bd/capelo/2019-04-18/000912012.pdf
• topic: Carcinoma de células escamosas; Ceratoacantoma; Lábio; Diagnóstico; Carcinoma, Squamous Cell

Keratoacanthoma is a rapidly growing, benign epithelial tumor that mainly affects areas exposed to the sunlight, such as the face, neck and forearm. It presents clinically as a solitary crateriform lesion with its interior filled by keratin, known to originate from the hair follicle. It usually targets light-skinned people, usually in the fifth decade of life, with a male predisposition three times higher. It resembles clinically and histologically with squamous cell carcinoma, which difficults and prioritizes its correct diagnosis. The clinical case presented describes an ulcerated lesion, located in vermilion of the lower lip, in an 83-year-old female patient. Significant changes were observed over a period of five months. Therefore, there was a change in clinical diagnosis to keratoacanthoma and the selected treatment was surgical excision. In the histopathological examination, was possible to observe an ulcerated area, hyperkeratosis, acanthosis, keratin pearls and continuity of the basal layer, confirming the diagnosis of keratoacanthoma. Thorough and detailed clinical examination is essential for the diagnosis of lower lip keratocanthoma. The patient has been under follow-up for 10 months with no sign of relapse. A rigorous clinical examination associated with a correct histopathological analysis are essential for the diagnosis of keratoacanthoma of the lower lip. The surgical ablation is performed by qualified professionals, being the treatment of choice