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KMID : 0356820200360020041
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Korean Journal of Head & Neck Oncology
2020 Volume.36 No. 2 p.41 ~ p.44
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A Treatment of Recurrent Clear Cell Hidradenoma on the Neck: A Case Report
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Kim Sun-Je
Yang Hee-Sang
Shin Chung-Min
Oh Sang-Ha
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Abstract
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Clear cell hidradenoma is a skin adnexal tumor originating from eccrine glands. The risk of local recurrence after surgical resection exceeds 50%, and 6-19% of cases are malignant. The rarity of clear cell hidradenoma and its diverse histological findings make this type of tumor a diagnostic challenge. We present a case of recurrent clear cell hidradenoma of the posterior neck in a 70-year-old woman. The tumor recurred once after complete excision, and did not recur again after 1-cm wide excision and reconstruction with a local bilobed flap. Recurrent clear cell hidradenomas are activated by surgical stimulation, increasing the risk for metastasis. Therefore, we suggest that wide excision with confirmation of a tumor-free margin by frozen-section biopsy should be the first-line treatment for recurrent benign clear cell hidradenoma.
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KEYWORD
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Clear cell hidradenoma, Margins of excision, Sweat gland neoplasm, Wide excision
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