False-positive QuantiFERON TB-Gold test due to Mycobacterium gordonae

Kiran Gajurel, Aruna K. Subramanian

Research output: Contribution to journalArticlepeer-review

Abstract

We report a case of QuantiFERON TB-Gold conversion associated to Mycobacterium gordonae in an elderly male from an assisted living facility without known risk factors for tuberculosis. This knowledge of environmental mycobacteria causing positive quantiferon assays is important to avoid unnecessary treatment of false-positive latent tuberculosis, especially in the absence of well-established positive predictive value of quantiferon conversion.

Original languageEnglish (US)
Pages (from-to)315-317
Number of pages3
JournalDiagnostic Microbiology and Infectious Disease
Volume84
Issue number4
DOIs
StatePublished - Apr 1 2016

Keywords

  • Interferon gamma release assay
  • Latent tuberculosis
  • Mycobacterium gordonae
  • Quantiferon
  • Tuberculosis

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases

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