Testis and epididymis
Nonneoplastic lesions
Malakoplakia




Topic Completed: 1 December 2012

Revised: 27 March 2019

Copyright: 2002-2018, PathologyOutlines.com, Inc.

PubMed Search: Malakoplakia [title] testis
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Cite this page: Williamson S. Malakoplakia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/testismalakoplakia.html. Accessed May 23rd, 2019.
Definition / general
  • Affects testis alone or testis and epididymis
  • Culture often grows presence of coliforms
Gross description
  • Testis is enlarged, tanish yellowy brown
  • Associated with abscesses and thrombosed blood vessels
Microscopic (histologic) description
  • Tubular atrophy, sheets of histiocytes with Michaelis-Gutmann bodies (intracellular and extracellular round structures containing iron and calcium)
Microscopic (histologic) images

Images hosted on other servers:

Tubular outlines appear preserved

Tubular architecture is destroyed

Sertoli cells replaced

Malakoplakia of the testis

Virtual slides

Images hosted on other servers:

Malakoplakia of testis

Electron microscopy description
  • Bacteria within phagolysosomes of histiocytes
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