Preauricular Sinus-classic versus Variant Types among a Cross-section Subjects in Southwestern Nigeria

Aremu, Shuaib Kayode and Omotosho, Wasiu (2018) Preauricular Sinus-classic versus Variant Types among a Cross-section Subjects in Southwestern Nigeria. Journal of Advances in Medicine and Medical Research, 27 (7). pp. 1-10. ISSN 2231-0614

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Abstract

Background: The variant types of preauricular sinuses (‘postauricular sinuses’) presenting as postauricular swelling have rarely been reported. Preauricular sinuses and cysts result from developmental defects of the first and second pharyngeal arches. This and other congenital ear malformations are sometimes associated with renal anomalies such as branchio-oto-renal syndrome. The variant types of preauricular sinuses (‘postauricular sinuses’) presenting as postauricular swelling have rarely been reported. Aim: The study is a prospective one carried out to find out the prevalence of preauricular sinus (classic and variant) in our community. Methodology: This was a prospective study carried out between June 2013 and May 2018 on patients seen in Ear, Nose and Throat department of the Federal Teaching Hospital, Ido-Ekiti, as well as a cross-section of population in different communities of Ekiti state, Nigeria, after obtaining ethical approval from the hospital ethical committee and informed consent was taken from all subjects enrolled in the study. Detailed clinical history, administered interviewer’s assisted questionnaires full examination and. Data obtained were collated and analyzed.

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