Testis & paratestis

Nonneoplastic lesions


Last author update: 1 December 2012
Last staff update: 9 September 2020

Copyright: 2002-2022, PathologyOutlines.com, Inc.

PubMed Search: Malakoplakia [title] testis

Sean R. Williamson, M.D.
Page views in 2021: 827
Page views in 2022 to date: 767
Cite this page: Williamson S. Malakoplakia. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/testismalakoplakia.html. Accessed December 2nd, 2022.
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)
Virtual slides

Images hosted on other servers:

Malakoplakia of testis

Electron microscopy description
  • Bacteria within phagolysosomes of histiocytes
Back to top
Image 01 Image 02