Prevalence and characteristics of microtia in Oman: 37 Years analysis.

BACKGROUND

Prevalence of microtia varies in different parts of the world and between ethnic groups. This article reviews the prevalence of Microtia in Oman.

METHODS

A retrospective study of all cases of Microtia between the period from January 1988 to March 2020.

RESULTS

152 patients fulfilled the study criteria. The prevalence of microtia was 0.83 per 10,000 births. Analysis of the affected cases showed 56% males and 44% females. 66% of the cases were of the lobular type, and 30% were of the conchal type. Anotia cases were only 4%. Unilateral cases were predominant consisting 86% of the cases, of which 67% were on the right side. 70% of the cases had hearing problems and 35% of them required hearing aids. 14% were syndromic. Goldenhar and Treacher-Collins syndromes were the most common syndromes. Family history was present in 18% of the cases. 49% of them had parents' consanguinity.

CONCLUSION

Omani population has low prevalence of microtia but the characteristics does not differ from other reports.