Skin - Nonmelanocytic tumors
Adnexal tumors - eccrine sweat glands
Eccrine spiradenoma

Author: Christopher Hale, M.D. (see Authors page)

Revised: 5 October 2016, last major update June 2012

Copyright: (c) 2002-2016, PathologyOutlines.com, Inc.

PubMed Search: Eccrine spiradenoma [title]

Cite this page: Eccrine spiradenoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/skintumornonmelanocyticeccrinespiradenoma.html. Accessed December 8th, 2016.
Definition / General
  • Extremely painful lesions, anywhere in body
  • Rarely transforms to high grade malignancy
Case Reports
Clinical Images

Breast skin, courtesy of Mark R. Wick, M.D.

Gross Description
  • Painful, slow growing solitary nodule, head/neck, adults > children
  • Occasional multiple lesions, linear or Blaschkoid distribution
Micro Description
  • Sharply circumscribed, lobular
  • Very cellular
  • Cells have scant cytoplasm
  • High vascularity
  • Variable lymphocytic infiltrate within lesion
Micro Images

Images hosted on PathOut servers:

Contributed by Dr. Amy Lynn

Breast skin, courtesy of Mark R. Wick, M.D.



Images hosted on Flickr:

Eccrine spiradenoma

Electron Microscopy Description
  • Epithelial and myoepithelial cells
Differential Diagnosis