2 conflicting report on TB TEST

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Asked for Male, 21 Years

My sister went for TB TEST at 2 different hospitals...results of one test[Mantoux] says positive while the other contradicts Here I am attaching the files... kindly let me know

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Dr. Krutika Ingle Karandikar

General Physician 11 yrs exp Pune

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Hi. Mantoux test is a screening test for Tb. While Sputum AFB test is confirmatory. Mantoux test comes false positive in many cases (most common reason being BCG vaccination) and has to be followed by a Sputum test for confirmation of diagnosis of Tb. Her sputum AFB testing is negative. So, she is not having Tb. If you have any doubts about reliability of the lab, you can repeat the Sputum AFB test at any government hospital or NABL certified lab.

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For confirmation need to do a CB-NAAT

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Dr. Ashwini Khadtare Anesthesiologist 9 yrs exp Solapur Consult Now · Accepted Answer

Dr. Ashwini Khadtare

Anesthesiologist 9 yrs exp Solapur

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The diagnosis of TB is suspected from a combination of context, symptoms, clinical signs and investigations. Mantoux test is not confirmatory test for TB. Also sputum AFB negative sputum doesn't rule out TB.

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