Prostate gland & seminal vesicles
Granulomatous lesions
Allergic granulomatous prostatitis

Topic Completed: 1 January 2012

Minor changes: 25 February 2019

Copyright: 2003-2019,, Inc.

PubMed search: Allergic granulomatous prostatitis

Ali Amin, M.D.
Page views in 2019: 291
Page views in 2020 to date: 143
Cite this page: Amin A. Allergic granulomatous prostatitis. website. Accessed August 8th, 2020.
Definition / general
  • Very rare
  • Reflects asthma or systemic allergic reaction
  • Often associated with serum eosinophilia, systemic granulomas
Microscopic (histologic) description
  • Multiple small, necrobiotic granulomas surrounded by numerous eosinophils
  • Diffuse stromal eosinophils
  • Steroids
Differential diagnosis
  • Post-TURP granulomas with eosinophils: absence of systemic manifestations, more irregular granulomas, eosinophils not diffuse
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