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Eccrine Porocarcinoma (Malignant Eccrine Poroma): A Series of Eight Challenging Cases

2010; Elsevier BV; Volume: 65; Issue: 7 Linguagem: Inglês

10.1590/s1807-59322010000700014

1980-5322

Murilo Luz, Daniel Cury Ogata, Marcos Flávio Montenegro, L. Biasi, Leandro Carvalho Ribeiro,

Cancer and Skin Lesions

Eccrine porocarcinoma (EP), a particular malignant sweat gland tumor, represents only 0.005% of epithelial cutaneous neoplasms. The first reported case was attributed to Pinkus and Mehregan,1 and since then, only a few subsequent studies have been presented. Among these reported series, the majority describe aggressive tumor behavior.2–5 In this study, we present the features and outcomes of eight fully documented cases (one of the 10 largest single-center studies ever published). Although we have previously published a detailed case showing bone invasion and lymph node metastasis,6 the current study focuses on the complexities of diagnosis and the overall clinical features that render this ailment difficult to accurately diagnose.