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  2. Mantoux test - Wikipedia

    en.wikipedia.org/wiki/Mantoux_test

    The results of this test must be interpreted carefully. The person's medical risk factors determine at which increment (5 mm, 10 mm, or 15 mm) of induration the result is considered positive. [12] A positive result indicates TB exposure. 5 mm or more is positive in An HIV-positive person; Persons with recent contacts with a TB patient

  3. Heaf test - Wikipedia

    en.wikipedia.org/wiki/Heaf_test

    The equivalent Mantoux test positive levels done with 10 TU (0.1 mL 100 TU/mL, 1:1000) are 0–4 mm induration (Heaf 0-1) 5–14 mm induration (Heaf 2) >15 mm induration (Heaf 3-4) The Mantoux test is preferred in the United States for the diagnosis of tuberculosis; multiple puncture tests, such as the Heaf test and Tine test, are not recommended.

  4. Diagnosis of tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_tuberculosis

    An induration (palpable raised hardened area of skin) of more than 5–15 mm (depending upon the person's risk factors) to 10 Mantoux units is considered a positive result, indicating TB infection. [citation needed] 5 mm or more is positive in HIV-positive person; Recent contacts of TB case

  5. Latent tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Latent_tuberculosis

    According to the U.S. guidelines, there are multiple size thresholds for declaring a positive result of latent tuberculosis from the Mantoux test: For testees from high-risk groups, such as those who are HIV positive, the cutoff is 5 mm of induration; for medium risk groups, 10 mm; for low-risk groups, 15 mm.

  6. 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] The test may be falsely negative in those with sarcoidosis, Hodgkin's lymphoma, malnutrition ...

  7. Tine test - Wikipedia

    en.wikipedia.org/wiki/Tine_test

    The tine test is a multiple-puncture tuberculin skin test used to aid in the medical diagnosis of tuberculosis (TB). The tine test is similar to the Heaf test, although the Mantoux test is usually used instead. There are various forms of the tine tests which usually fall into two categories: the old tine test (OT) and the purified protein ...

  8. Tuberculin - Wikipedia

    en.wikipedia.org/wiki/Tuberculin

    These included the Pirquet cutaneous test, the Moro percutaneous path test, the Mantoux intracutaneous test, and the Calmette conjunctival test. [6] With experience gained from the tuberculin skin test during the greater part of the last century, the current body of medical knowledge and advances were made possible by Robert Koch. Through the ...

  9. 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.

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