Korean J Head Neck Oncol.  2020 Nov;36(2):41-44. 10.21593/kjhno/2020.36.2.41.

A Treatment of Recurrent Clear Cell Hidradenoma on the Neck: A Case Report

  • 1Department of Plastic and Reconstructive Surgery, College of Medicine, Chungnam National University, Daejeon, Korea


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.


Clear cell hidradenoma; Margins of excision; Sweat gland neoplasm; Wide excision
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