If a person is treated for tuberculosis for a9 month period and then later in few yrs if he/she has a tuberculosis skin test done ,then what are the chances that he/she might get a false positive. Also, if the x-ray of this person is done later after a few years ,Is is normal to see scarring What is quantiferon test ? What will be the result of a quantiferon test done on a person prior treated for tuberculosis?
Respiratory Diseases - 5 Answers
Random Answers, Critics, Comments, Opinions :
1 :
It will be positive for life.
2 :
I have TB, and I also went through the nine month treatment of Isoniazid. Although you go through that treatment, it is possible for TB to be come active again. And unfortunately, active or latent, you will always have a positive skin test. Chest x-rays must be done in order to determine if the infection has become active. I think you should talk to your doctor, or to whomever you were referred for treatment. TB is something that has to be reported to the CDC, go to their clinics, and build a relationship with them and ask them to put it in your terms, not their medical jargon. I've never had to go through the rest of it, so I'm not sure, and I'm also an RN, but not specialized in that area, but turn to your healthcare providers, talk to them. There are tests that can be done to determine if your strain of TB was a resistant strain, and there is different medication for that, however it is quite expensive. But get more tests! Talk to your physician! And best of luck!
3 :
You should never take another skin test. If the person had actual TB, it would be normal to see leftover scarring.
4 :
The QuantiFERON®-TB Gold test (QFT-G) is a whole-blood test for use as an aid in diagnosing Mycobacterium tuberculosis infection, including latent tuberculosis infection (LTBI) and tuberculosis (TB) disease. it works by taking a blood sample that is mixed with TB antigens . If the person is infected with M. tuberculosis, their white blood cells will release IFN-gamma in response to contact with the TB antigens. The QFT-G results are based on the amount of IFN-gamma that is released in response to the antigens.
5 :
I had "Valley Fever" (Coccidioidomycosis) when i was 8. I've always tested positive for tuberculosis with the skin test. My work, after a positive test, had me take an x-ray to verify I was free of disease. I worked with children infant to twenty-two. When I have an x-ray I have to explain to technicians that the scarring is from when I was a child. A quantiferon test is a test to determine if you have tuberculosis. Since this test is a test that looks at the white blood cells within your blood system. I'd think that it wouldn't give you a false-positive. However I really do not know for sure. Best of luck and good health to you
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