Abstract
Hidradenoma Nodularis (HN) is a benign adnexal tumor that was generally considered to be of eccrine origin, although apocrine forms also exist. It develops from sweat glands located in the superficial or deep dermis or sometimes even in the subcutaneous tissue. Clinically, it appears as a small, solitary, firm papule, which may be dark or transparent in color, although usually a single papule, it is less common to find multiple papules [1]. the confirmation of the diagnosis is based on the histology spectra which will find a dermal nodule well bounded by a pseudocapsule of collagen which lobules filled with epithelial cells and tubular structures. Tumor proliferation in HN is very typical, dense and often hyalinized, making it an important element in the diagnosis. It is characterized by two cell types: polyhedral cells with elongated nuclei and slightly basophilic cytoplasm, and cells with small rounded nuclei and clear cytoplasm [2]. few publications in the literature have described the dermoscopic aspect which has structureless white-pink areas; red lacunalike areas; and hairpin, dotted, and linear irregular vessels [3,4], we describe a new case of dermoscopy of nodular hydradenoma.
Published Version
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