Vol. 123 No. 3 (2018)
Original Article

Incidence of the tympanic foramen in the population of Northeast Brazil

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  • Jalles Dantas de Lucena,
  • Clarice Sampaio Torres,
  • Patricia Karline Rojas,
  • Mateus Francelino Silva,
  • Beatriz Soares Brito,
  • Ana Luíza Viana Pequeno,
  • Paula Emanuele de Lima Bessa,
  • Michelle Guimarães de Lima,
  • Maria Clara Motta Barbosa Valente,
  • Geovani Garcia de Souza,
  • Gilberto Santos Cerqueira
Jalles Dantas de Lucena
Department of Morphology, Morfofuntional Science Post-Graduation Program, Federal University of Ceara (UFC) - Brazil
Clarice Sampaio Torres
Department of Morphology, Medical School - UFC - Brazil
Patricia Karline Rojas
Department of Morphology, Medical School - UFC - Brazil
Mateus Francelino Silva
Department of Morphology, Medical School - UFC - Brazil
Beatriz Soares Brito
Department of Morphology, Medical School - UFC - Brazil
Ana Luíza Viana Pequeno
Department of Morphology, Medical School - UFC - Brazil
Paula Emanuele de Lima Bessa
Department of Morphology, Medical School - UFC - Brazil
Michelle Guimarães de Lima
Department of Morphology, Medical School - Federal University of Alagoas (UFAL) - Brazil
Maria Clara Motta Barbosa Valente
Department of Morphology, Medical School - State University of Health Sciences of Alagoas (UNCISAL) - Brazil
Geovani Garcia de Souza
Integrated Colleges of Patos (FIP) – Brazil
Gilberto Santos Cerqueira
Department of Morphology, Medical School, Morfofuntional Science Post-Graduation Program - UFC - Brazil

Published 2019-05-27

Keywords

  • Foramen of Huschke,
  • external acoustic meatus,
  • tympanic foramen

How to Cite

Dantas de Lucena, J., Sampaio Torres, C., Karline Rojas, P., Francelino Silva, M., Soares Brito, B., Viana Pequeno, A. L., de Lima Bessa, P. E., Guimarães de Lima, M., Motta Barbosa Valente, M. C., Garcia de Souza, G., & Santos Cerqueira, G. (2019). Incidence of the tympanic foramen in the population of Northeast Brazil. Italian Journal of Anatomy and Embryology, 123(3), 241–247. Retrieved from https://oajournals.fupress.net/index.php/ijae/article/view/1646
Copyright Notice

Abstract

The persistence of the tympanic foramen (or of Huschke) in individuals after second childhood constitutes a failure in the embryological development of the tympanic cavity. When present, it is on the anterior wall of the external acoustic meatus and is associated with important otological complications of the temporomandibular joint and external acoustic meatus. To report on the incidence of tympanic foramen in adult dry skulls, belonging to the population of the Northeast of Brazil, 87 adult skulls obtained from the Human Anatomy Laboratory of 4 universities of the Northeast of Brazil, without knowledge of gender, race and age were analyzed. The 174 temporal bones were examined for presence, morphology and measurements of the longitudinal and transverse diameter of the tympanic foramen. The incidence of tympanic foramen was 24.14%, found in 15 (17.24%) skulls on the right and 18 (20.68%) on the left side. Unilateral tympanic foramen was observed in 10 (11.50%) skulls, bilateral in 9 (10.34%) and multiple in 2 (2.30%). The form of tympanic foramen was mainly irregular. In conclusion, the higher prevalence of tympanic foramen found in the Northeast among other studies carried out in Brazil can be attributed to specific dietary habits in the region that could induce the later foramen occlusion.

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