RESPIRATORY
OLD TUBERCULOSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -A positive PCR result for M. tuberculosis is highly significant; a negative PCR result does not exclude infection.
Detailed explanation-2: -TB bacteria can be detected through many different methods, in which PCR is an advanced method to support TB diagnosis, giving highly accurate results as long as the specimen is taken and stored correctly.
Detailed explanation-3: -The TB-PCR is one of the tests that helps diagnose and confirm an infection of Tuberculosis. Tuberculosis is a disease caused by the bacteria Mycobacterium tuberculosis that generally attacks the lungs however possibly can affect other parts of the body.
Detailed explanation-4: -As long as precautions have been taken to avoid cross contamination, the positive TB PCR may indicate the presence of non-viable AFB, particularly in patients with a history of tuberculosis in the past.