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Clinical characteristics of Epidermoid/Dermoid cysts developing around the ear
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Epidermoid cysts are benign lesions, characterized by cystic spaces lined by simple squamous epithelium. Head and neck constitute ~7% of all cases of epidermoid and dermoid cysts. There is often a diagnostic dilemma with the more common cystic lesions of this region. Historically, epidermoid cysts have been referred to by various terms, including follicular infundibular cysts, epidermal cysts, and epidermal inclusion cysts. Report of cases in the periauricular regions is very uncommon. This is a retrospective case-series study of histologically- confirmed epidermoid or dermoid cysts in the ear region during the past 10 years. Total 15 cases consisted of 14 epidermoid cysts and only 1 dermoid cyst. There were 11 males and 4 females (mean age of 37.8¡¾16.8 years-old). Right side was 7 cases and left was 8. The cyst was located in the lobule in 3 cases, in the cartilaginous ear canal in 4 cases, in the preauricular area in 3 cases, and in the postauricular area in 5 cases. We described clinical characteristics of our cases and reviewed the literature.


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