Mycobacterium mucogenicum skin and soft tissue infection of the breast mimicking idiopathic granulomatous mastitis

Karen Krueger*, Lauren M. Guggina

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We present a case of a 28-year-old woman who came to medical attention after noticing a breast mass associated with an overlying eroded plaque of the skin. A core biopsy of the breast mass was negative for malignancy but demonstrated granulomatous inflammatory changes. Acid-fast bacilli and Gomori methenamine-silver stains were negative for microorganisms. The patient was diagnosed with presumptive idiopathic granulomatous mastitis and started on oral steroids. Her symptoms progressed. Tissue culture from a repeat biopsy grew Mycobacterium mucogenicum. The patient responded well to combination oral antimicrobial therapy.

Original languageEnglish (US)
Article numbere231900
JournalBMJ case reports
Volume12
Issue number12
DOIs
StatePublished - Dec 8 2019

Keywords

  • dermatology
  • infectious diseases

ASJC Scopus subject areas

  • Medicine(all)

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