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European Journal of Dermatology

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Metastatic hidradenocarcinoma: a report of two rare cases Volume 33, issue 3, May-June 2023

Figures


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Authors
1 Department of Dermatology and Venereology, Centro Hospitalar Universitário de São João, Porto, Portugal
2 Department of Pathology, Centro Hospitalar Universitário de São João, Porto, Portugal
3 Department of Pathology, Centro Hospitalar Universitário do, Porto, Portugal
4 Faculty of Medicine, University of Porto, Porto, Portugal
5 Department of Urology, Centro Hospitalar Universitário do, Porto, Portugal
* Reprints: Patrícia Amoedo

Hidradenocarcinoma (HAC) is an extremely rare malignant tumour, originating from the intradermal duct of eccrine sweat glands [1–3]. It is found in only 1:13,000 skin biopsies, which corresponds to less than 0.01% of all skin cancers [1, 4, 5]. Typically, it appears between the sixth and seventh decades, with a slight female predilection [1, 3]. The classic presentation is a solitary, asymptomatic, firm, slow-growing nodule, most commonly in the head, neck or extremities [1, 3, 4]. This tumour has [...]