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Hidradenocarcinomas are very uncommon malignant tumors of sweat gland origin that exhibit a high potential for local recurrence, metastasis, and poor outcome. These neoplasms typically resemble benign appearing dermal nodules that lack distinguishable features. We present the case of hidradenocarcinoma in a 39-year-old male with a 5-year history of a slow growing nodule along his right eyebrow. Excisional biopsy of the lesion was taken with pathology showing nuclear pleomorphism, increased mitoses, and foci of necrosis. Immunohistochemical analysis revealed reactivity for Ki-67/MIB1 and strong diffuse staining for p63, CK5/6, and CK7. Mohs micrographic surgery was performed and clear margins were obtained after one stage. Compared to traditional treatment with wide local excision, Mohs micrographic surgery is a potentially advantageous alternative therapy as there have been no reported cases of tumor recurrence or metastasis to date.
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Wallace CE, Vinelli G. Hidradenocarcinoma Treated with Mohs Micrographic Surgery. Advances in Clinical Medical Research and Healthcare Delivery. 2022; 2(2). doi: 10.53785/2769-2779.1102.