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Mycobacterium abscessus granulomatous prostatitis.

Ai-Ying Chuang1, Mei-Hua Tsou, Shu-Jen Chang

  • 1Departments of Pathology, Koo Foundation Sun Yat-Sen Cancer Center, Far Eastern Memorial Hospital, Taipei, Taiwan. chuangaiying@gmail.com

The American Journal of Surgical Pathology
|January 21, 2012
PubMed
Summary
This summary is machine-generated.

Mycobacterium abscessus caused infectious granulomatous prostatitis in patients undergoing prostate cancer surgery. This rare condition, M. abscessus granulomatous prostatitis (MAGP), requires careful diagnosis to differentiate it from other prostate conditions.

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Area of Science:

  • Urology
  • Pathology
  • Infectious Diseases

Background:

  • Infectious granulomatous prostatitis is rare, with most cases being nonspecific.
  • Poor wound healing post-prostatectomy prompted investigation into unusual infections.

Purpose of the Study:

  • To identify and characterize cases of Mycobacterium abscessus granulomatous prostatitis (MAGP).
  • To distinguish MAGP from other granulomatous prostatitis forms.

Main Methods:

  • Review of 180 radical prostatectomy specimens (2007-2009).
  • Histological and microbiological analysis (acid-fast bacilli, Mycobacterium abscessus culture).
  • DNA-polymerase chain reaction for isolate typing.

Main Results:

  • Identified 7 additional cases of MAGP, characterized by extensive suppurative necrotizing granulomatous inflammation.
  • Mycobacterium abscessus was cultured from 8 prostates; acid-fast bacilli found in 5 specimens.
  • Eight patients experienced prolonged wound healing, including fistula and abscess formation.

Conclusions:

  • Mycobacterium abscessus can cause a distinct form of granulomatous prostatitis (MAGP).
  • Recognizing MAGP is crucial for appropriate patient management and differentiating it from nonspecific granulomatous prostatitis.
  • MAGP can lead to significant post-operative complications, including delayed wound healing.