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

Diagnostic Microbiology and Infectious Disease
Kiran Gajurel, Aruna K Subramanian

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.

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Citations

Feb 23, 2020·The Pediatric Infectious Disease Journal·Cristian Quintana-OrtegaFernando Baquero-Artigao
Jun 20, 2017·Emerging Infectious Diseases·Yanqing ChenHongsheng Wang
Apr 3, 2019·Pediatrics in Review·Jyotsna BhattacharyaDavid L Goldman
Mar 20, 2020·BMJ Case Reports·Sanval Ahmed WarriachMichael Watts

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