Erschienen in:
13.07.2017 | Brief Report
Misdiagnosis of tuberculosis associated with some species of nontuberculous mycobacteria by GeneXpert MTB/RIF assay
verfasst von:
Yu Pang, Jie Lu, Biyi Su, Huiwen Zheng, Yanlin Zhao
Erschienen in:
Infection
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Ausgabe 5/2017
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Abstract
Out of 12 nontuberculous mycobacteria (NTM) species, 5 were identified as Mycobacterium tuberculosis (MTB) by GeneXpert at a bacterial load of 106. Notably, two species, including M. abscessus and M. smegmatis, were flagged as RIF-resistant MTB due to the high C(t) value of Probe E. In conclusion, our data have demonstrated that the misdiagnosis of MTB by GeneXpert assay is observed in five NTM species at a high bacterial load.