Page 57 - SPEMD_59-2

Revista Portuguesa de Estomatologia,
Medicina Dentária e Cirurgia Maxilofacial

rev port estomatol med dent cir maxilofac. 2018;59(2):115-118

Case report

Head and neck giant keratoacanthoma: a case report

a
a
a
Yuri Edward de Souza Damasceno , Waldner Ricardo Souza de Carvalho , Nicolau Conte Neto ,
Eduardo Hochuli Vieira , Lucas Lacerda de Souza *, Hélder Antônio Rebelo Pontes a
a,
b
a Oral Surgery and Pathology Department, João de Barros Barreto University Hospital, Federal University of Pará, Belém, Pará, Brazil.
b Division of Oral and Maxillofacial Surgery, Dental School at Araraquara, UNESP, Araraquara, Brazil.

a r t i c l e i n f o a b s t r a c t

Article history: Keratoacanthoma is a low-grade tumor originated from the pilosebaceous glands that
Received 23 December 2017 nearly resembles squamous cell carcinoma under histopathological analysis. Giant ke-
Accepted 4 August 2018 ratoacanthoma is a rare subtype with a size exceeding 2 cm, with a high aggressiveness
Available online 10 September 2018 potential. Head and neck giant keratoacanthomas are uncommon and mainly affect
male patients with a mean age of 59.1 years old, usually affecting the nose. Excision of
Keywords: the lesion is the preferred treatment for giant keratoacanthoma. The aim of this study
Excision is to analyze the clinicopathological characteristics of head and neck giant keratoacan-
Giant keratoacanthoma thoma by reviewing the previously published English literature and reporting one new
Treatment case of a rare lesion affecting the lower lip. (Rev Port Estomatol Med Dent Cir Maxilofac.
2018;59(2):115-118)
© 2017 Sociedade Portuguesa de Estomatologia e Medicina Dentária.
Published by SPEMD. This is an open access article under the CC BY-NC-ND license
(http://creativecommons.org/licenses/by-nc-nd/4.0/).

Queratoacantoma gigante da cabeça e pescoço: caso clínico

r e s u m o

Palavras-chave: O queratoacantoma é um tumor de baixo grau, originário das glândulas pilossebáceas e que
Excisão apresenta características do carcinoma de células escamosas sob análise histopatológica.
Queratoacantoma gigante O queratoacantoma gigante é um subtipo raro com um tamanho superior a 2 cm, com alto
Tratamento potencial de agressividade. O queratoacantoma gigante de cabeça e pescoço é incomum e
afeta, principalmente, pacientes com idade média de 59,1 anos, com predileção para pacien-
tes do sexo masculino e geralmente afeta o nariz. A excisão da lesão é o tratamento prefe-

* Corresponding author.
E-mail address: lucaslac@hotmail.com (Lucas Lacerda de Souza).
http://doi.org/10.24873/j.rpemd.2018.09.227
1646-2890/© 2017 Sociedade Portuguesa de Estomatologia e Medicina Dentária. Published by SPEMD.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).