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  2. Mantoux test - Wikipedia

    en.wikipedia.org/wiki/Mantoux_test

    This initial skin test, though negative, may stimulate (boost) the body's ability to react to tuberculin in future tests. Thus, a positive reaction to a subsequent test may be misinterpreted as a new infection, when in fact it is the result of the boosted reaction to an old infection. [22]

  3. File:Mantoux tuberculin skin test.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Mantoux_tuberculin...

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  4. Diagnosis of tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_tuberculosis

    A meta-analysis with 1,595 inpatients and outpatients showed 70% sensitivity and 90% specificity for TB diagnosis in people living with HIV for Fujifilm SILVAMP TB LAM. [40] As of 2020, the test showed a high positive predictive value (95.2%) in HIV-negative outpatients. [41] Large prospective studies are on the way. [42]

  5. Tine test - Wikipedia

    en.wikipedia.org/wiki/Tine_test

    The test is then read 48 to 72 hours later by measuring the size of the largest papule or induration. Indications are usually classified as positive, negative, or doubtful. [2] Because it is not possible to control precisely the amount of tuberculin used in the tine test, a positive test should be verified using the Mantoux test. [3]

  6. Tuberculosis radiology - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis_radiology

    Persons with these findings, if they have a positive tuberculin skin test reaction, should be considered high-priority candidates for treatment of latent infection regardless of age. Conversely, calcified nodular lesions (calcified granuloma) pose a very low risk for future progression to active tuberculosis. [citation needed]

  7. Heaf test - Wikipedia

    en.wikipedia.org/wiki/Heaf_test

    Grade 4 – disc >10 mm with or without blistering (strongly positive) Grades 1 and 2 could result from previous BCG or avian tuberculosis, rather than human TB infection. Children who were found to have a grade 3 or 4 reaction were referred for X-ray and follow-up. For interpretation of the test, see Tuberculosis diagnosis.

  8. Wikipedia : Osmosis/Tuberculosis

    en.wikipedia.org/wiki/Wikipedia:Osmosis/Tuberculosis

    With this test, tuberculin is injected between layers of the dermis, tuberculin is a component of the bacteria, and if a person has previously been exposed to TB, the immune system reacts to the tuberculin and produces a small, localized reaction within 48 to 72 hours; if the reaction creates a large enough area of induration (rather than just ...

  9. Tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis

    A Mantoux tuberculin skin test. The Mantoux tuberculin skin test is often used to screen people at high risk for TB. [100] Those who have been previously immunized with the Bacille Calmette-Guerin vaccine may have a false-positive test result. [107]

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