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What is QuantiFERON-TB Gold? 当前位置: 首页 > 新闻中心 > What is QuantiFERON-TB Gold?
QuantiFERON-TB Gold (QFT®) is a simple blood test that aids in the detection of Mycobacterium tuberculosis, the bacteria which causes tuberculosis (TB).  QuantiFERON-TB Gold is an interferon-gamma (IFN-y ) release assay, commonly known as an IGRA, and is a modern alternative to the  tuberculin skin test (TST or Mantoux). Unlike the TST, QFT is a controlled laboratory test that requires only one patient visit and is unaffected by previous vaccination with Bacille-Calmette Guerin (BCG).

QuantiFERON-TB Gold is highly specific and sensitive: a positive result is strongly predictive of true infection with M. tuberculosis. However, like the TST and other IGRAs, QuantiFERON-TB Gold cannot distinguish between active tuberculosis disease and latent tuberculosis infection, and is intended for use with risk assessment, radiography, and other medical and diagnostic evaluations. Like any diagnostic aid, QuantiFERON-TB Gold cannot replace clinical judgement.


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