PPD test


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Related to PPD test: tuberculosis

Mantoux or PPD test

Other names for a tuberculin skin test. PPD stands for purified protein derivative.
Mentioned in: Tuberculin Skin Test
References in periodicals archive ?
Investigation Findings among Study Subjects Investigation Number Percentage PPD test 1.
Clinical signs together with positive PPD test, the presence of previous or active TB lesions on pulmonary X-ray, confirmed extrapulmonary TB (by microscopy or M.
There was no significant difference in age, sex, disease duration, the number of peripheral arthritis, hip involvement, PPD test results and prophylaxis for TB.
Conclusion: Increased PPD test results in patients with Behcet's disease do not always imply tuberculosis infection and might be accepted as a false-positive result (Turkderm 2012; 46: 143-6)
"With the PPD test, if you're vaccinated, you will test positive for the disease, and you can't tell if you've been vaccinated or you have the disease."
Based on our study, the ESR and PPD tests were beneficial in predicting pulmonary tuberculosis.
The PPD test can be reliably used in individuals who received BCG as infants.
Nine patients had a positive PPD test, and 2 had previously been vaccinated with BCG, and they did not undergo PPD testing.
The patient replied "no." The patient indicated that she always tested positive on a PPD test and that chest x-rays had been needed in the past to determine the activity status of the dormant TB to which she had been exposed during employment.
Once this response, called cell-mediated hypersensitivity, is established, a person's T cells 'usually will respond to the tuberculin skin test (PPD test) and produce a characteristic red welt.
A positive DTH response to anergy testing, in conjunction with a negative PPD skin-test result, has been interpreted as evidence that the negative PPD test result is a true negative and the person tested is not infected with M.
The earlier negative PPD test could have been incorrectly read, or she could have been exposed and seroconverted after the initial test.