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Clinical Report

Eccrine Poroma: A Clinical-Dermoscopic Study of Seven Cases

doi: 10.2340/00015555-0608

Abstract:

Eccrine poroma can mimic benign and malignant melanocytic and non-melanocytic lesions. To date, little is known about the dermoscopic features of this condition. Seven histopathologically proven cases of eccrine poroma were examined using dermoscopy by three independent dermatologists. Both glomerular and hairpin vessels were observed in 71% of cases, whereas linear irregular vessels were observed in 43% of cases. A white-to-pink halo surrounding the vessels and multiple pink-white structureless areas were also frequently found (in 86% and 71% of cases, respectively). Three dermoscopic "profiles" were identified, all characterized by the presence of a white-to-pink halo surrounding the vessels, as well as by the association of two additional different features, namely: glomerular vessels and pink-white structureless areas, glomerular and linear irregular vessels, hairpin vessels and linear irregular vessels. However, due to the small number of lesions studied so far, we suggest that these profiles should be considered as likely, but not definitely pathognomonic signs of eccrine poroma.

Authors:

Angela Ferrari, Pierluigi Buccini, Vitaliano Silipo, Paola De Simone, Giustino Mariani, Samantha Marenda, Johanna H. Hagman, Ada Amantea, Chiara Panetta and Caterina Catricalà

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Volume 89, Issue 2

DOI: 10.2340/00015555-0608

Pages: 160-164

View at PubMed