Breast Cancer

, Volume 15, Issue 2, pp 175–180

A case of malignant eccrine spiradenoma metastatic to intramammary lymph node

Case Report

Abstract

Eccrine spiradenoma (ES) is a fairly common, benign, cutaneous tumor originating from the sweat glands. In contrast, the malignant counterpart of ES, malignant eccrine spiradenoma (MES), is extremely rare. A long-standing lesion rarely begins to enlarge rapidly. A growth that results in ulceration or discoloration may be associated with malignant transformation. We present the first reported case of this tumor metastasizing to an intramammary lymph node (IMLN). The uncommon metastasizing focus of the periumbilical MES and its histopathological similarity with a primary breast carcinoma made the diagnosis difficult.

Keywords

Malignant eccrine spiradenoma Intramammary lymph node 

Abbreviations

ES

Eccrine spiradenoma

MES

Malignant eccrine spiradenoma

IMLN

Intramammary lymph node

CT

Computed tomography

ER

Estrogen receptor

PgR

Progesterone receptor

CEA

Carcinoembryonic antigen

Copyright information

© The Japanese Breast Cancer Society 2008

Authors and Affiliations

  • Yuko Tanaka
    • 1
  • Ekapot Bhunchet
    • 2
  • Toshikatsu Shibata
    • 2
  1. 1.Department of SurgeryTsuchiura Kyodo General HospitalTsuchiuraJapan
  2. 2.Department of PathologyTsuchiura Kyodo General HospitalIbarakiJapan

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