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A case of eruptive syringoma
( Min Woo Kim ) , ( Hyun Sun Yoon ) , ( Soyun Cho ) , ( Hyun Sun Park )
UCI I410-ECN-0102-2017-510-000080368
This article is 4 pages or less.

Syringoma is a common benign neoplasm with distinct histopathologic features. According to syringoma classification, there are 4 variants: localized, familial, a form associated with Down syndrome and generalized type. Eruptive syringoma is a rare form of syringoma which was first described in 1987 and belongs to the generalized variant. Eruptive syringoma is characterized by a sudden onset of successive eruption of numerous disseminated syringomas and clinically appears as asymptomatic multiple small firm yellow-brown colored papules. It is most frequently located in anterior trunk but can also involve neck, axilla, shoulder, abdomen or pubic area. According to previous reports, clinical diagnosis rate of eruptive syringoma was less than 50%, so definitive diagnosis is usually confirmed by skin biopsy. Hematoxylineosin stain shows multiple small ducts and epithelial cords within dermis and cystic eccrine ducts with a characteristic comma-shaped tail. So far, there is no convincing treatment for eruptive syringoma. A 56-years-old woman visited our clinic complaining asymptomatic multiple erythematous to yellow color small papules on her both forearms. The lesions have existed since they suddenly appeared 7 years ago. We did punch biopsy on the lesion and identified characteristic epithelial nest within dermis. Based on the clinical and histopathological findings, we made a final diagnosis of eruptive syringoma.

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