A single lesion demonstrating features of eccrine poroma and poroid hidradenoma

The Journal of Dermatology
N Misago, H Kohda

Abstract

A case of a single poroma lesion with the features of eccrine poroma and poroid hidradenoma is reported. The patient was a 61-year-old woman with a soft nodule, light brown in color, located on the posterior aspect of the right knee and containing a pigmented papular lesion in its center. The histological features of the papular lesion and the nodule were consistent with those of eccrine poroma and poroid hidradenoma, respectively. The eccrine poroma portion consisted mostly of poroid cells. The number of cuticular cells was slightly greater than that of poroid cells in the poroid hidradenoma portion. The cuticular cells in this portion as well as the poroid cells in both portions were immunohistochemically positive for epithelial membrane antigen. The findings in this case suggest that there is a close relationship between eccrine poroma and poroid hidradenoma and support the view that poroid hidradenoma is a type of poroma.

References

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Citations

Apr 22, 2008·Journal of Cutaneous Pathology·Hsiu-Hui ChiuPo-Hung Chen
Jul 21, 2009·Journal of Cutaneous Pathology·Gengsheng YuFrank Chen
Mar 27, 2010·Journal of Cutaneous Pathology·Amanda Phelps, Michael Murphy
May 27, 1999·The Journal of Dermatology·E NagoreA Aliaga
Jun 27, 2006·International Journal of Dermatology·Chih-Chiang ChenHan-Nan Liu
Sep 5, 2009·The American Journal of Dermatopathology·Simonetta Piana, Elena Tagliavini
Nov 28, 2002·The American Journal of Dermatopathology·Salem O AlowamiWedad Hanna
Mar 30, 2001·International Journal of Dermatology·S ChoJ H Hahm
Oct 24, 2017·Case Reports in Surgery·Adamantios MichalinosTheodore Troupis
Aug 12, 2021·Case Reports in Plastic Surgery & Hand Surgery·M MukitX Jing

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