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.

Keystone design sliding skin flap for the management of small full thickness burns.

Deep dermal burns and full thickness burns are generally managed by excision and split thickness skin grafting. The skin graft may lead to unacceptable colour changes and be aesthetically unacceptable. Also, there may be a contour defect and, furthermore, it is followed by varying degrees of contracture. The keystone design sliding flap, first described in 2003, avoids the need for grafting and is not associated with any skin graft problems. We report two cases of the use of this flap as the primary surgery in reconstruction of small full thickness burn defects.