Prostate
Granulomatous lesions
Post-TURP granulomatous prostatitis

Authors: Ali Amin, M.D. (see Authors page)

Revised: 19 July 2016, last major update January 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.
Definition / General
  • Formerly called eosinophilic prostatitis
Clinical Features
  • No systemic symptoms
  • Develop months after an invasive procedure as a reaction to the procedure and tissue damage (most commonly following TURP, less commonly after biopsy or cautery)

    Hair granuloma:
Micro Description
  • Central region of fibrinoid necrosis surrounded by pallisading histiocytes
  • Resembles rheumatoid nodules
  • Long tortuous granulomas may dissect tissue
  • Minimal surrounding inflammation (lymphocytes, plasma cells, rare eosinophils)
  • More eosinophils in first month after TURP (Am J Surg Pathol 1984;8:217)
Micro Images

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Post-biopsy granuloma