Keratoacanthoma of the lower lip: still a matter of diagnosis

Authors

  • Cristiane Miranda França Universidade Nove de Julho - UNINOVE, São Paulo, SP
  • Mônica Andrade Lotufo Universidade de Guarulhos, São Paulo, SP
  • Jayro Guimarães Júnior Faculdade de Odontologia da Universidade de São Paulo, São Paulo, SP
  • Victor Piana de Andrade Instituto Fleury, São Paulo, SP
  • Marcia Maria Altavista Romão Universidade Nove de Julho - UNINOVE, São Paulo, SP
  • Celso Augusto Lemos Júnior Faculdade de Odontologia da Universidade de São Paulo, São Paulo, SP

DOI:

https://doi.org/10.5585/conssaude.v9i4.2335

Keywords:

Carcinoma, squamous cell, Diagnosis, Keratoacanthoma, Oral cancer.

Abstract

Introduction: Keratoacanthoma is a lesion that may mimic squamous cells carcinoma clinically and histologically and the distinction between both lesions has been a matter of discussion. Typical lesions consist of a firm dome-shaped nodule, 1 to 2 centimeters in diameter, with a horn-filled crater in its center. Objectives: To present it was selected an atypical case of a 43-year-old woman who had a solitary keratoacanthoma (KA) of the lower lip with a history of two years of evolution and mistreatment and to discuss the difficulties of the diagnosis process. Conclusion: Because of the rarity of the lesion and its similarity with squamous cells carcinoma the general dentist must explain to the patient that the clinical aspects are not conclusive of the diagnosis and a correct acquisition of the surgical specimen is crucial to an accurate histopathological interpretation and conclusive diagnosis.

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Author Biographies

Cristiane Miranda França, Universidade Nove de Julho - UNINOVE, São Paulo, SP

Doutora em Patologia Oral, Professora Colaboradora do Mestrado em Ciências da Reabilitação

Mônica Andrade Lotufo, Universidade de Guarulhos, São Paulo, SP

Professora Doutora Responsável pela Disciplina de Estomatologia

Jayro Guimarães Júnior, Faculdade de Odontologia da Universidade de São Paulo, São Paulo, SP

Professor Doutor do Departamento de Diagnóstico

Victor Piana de Andrade, Instituto Fleury, São Paulo, SP

Patologista

Marcia Maria Altavista Romão, Universidade Nove de Julho - UNINOVE, São Paulo, SP

Professora Mestre da Disciplina de Cirurgia

Celso Augusto Lemos Júnior, Faculdade de Odontologia da Universidade de São Paulo, São Paulo, SP

Professor Doutor do Departamento de Diagnóstico

Published

2010-12-30

How to Cite

1.
França CM, Lotufo MA, Guimarães Júnior J, Andrade VP de, Romão MMA, Lemos Júnior CA. Keratoacanthoma of the lower lip: still a matter of diagnosis. Cons. Saúde [Internet]. 2010 Dec. 30 [cited 2024 Jul. 7];9(4):715-8. Available from: https://periodicos.uninove.br/saude/article/view/2335

Issue

Section

Cases studies