Poroid Hidradenoma: A Two-Case Report and Literature Review - PubMed (original) (raw)

Case Reports

Poroid Hidradenoma: A Two-Case Report and Literature Review

Joon Soo Lim et al. Ann Dermatol. 2021 Jun.

Abstract

Poroid hidradenoma (PH) is a rare benign tumor that shows differentiation of the eccrine sweat gland. It occurs mainly in adults, presenting as a 0.5 to 2 cm-sized intradermal nodule, mostly on the head, extremities, trunk and neck. We report two rare cases of PH, one on the face and the other on the heel. The first patient was a 50-year-old male who had a solitary, skin-colored nodule on his right temple for 6 months. The second patient was a 67-year-old female who presented with a solitary, bean-sized, tender nodule on her left heel for 1 year. The common histological examination finding was a well-circumscribed tumor composed of solid portions and large cystic spaces in the center. The tumor cells consisted of small, monomorphic poroid cells and large cuticular cells in both cases. To our knowledge, only few cases of PH have been reported. Herein, we report two rare cases of PHs with literature review.

Keywords: Cuticular; Eccrine; Hidradenoma; Poroid.

Copyright © 2021 The Korean Dermatological Association and The Korean Society for Investigative Dermatology.

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Conflict of interest statement

CONFLICTS OF INTEREST: The authors have nothing to disclose.

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