skin test


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skin test

[′skin ‚test]
(immunology)
A procedure for evaluating immunity status involving the introduction of a reagent into or under the skin.
References in periodicals archive ?
Two types of immunological methods (tuberculin skin tests [TSTs] and interferon-gamma release assay [IGRA] blood tests) are used for detecting Mycobacterium tuberculosis infection.
In Autologous serum skin test positive patients of Group 2, null hypothesis and unpaired 't' test applied for urticaria activity score, urticaria total severity score, antihistamine score and dermatological quality of life index.
A question was addressed whether the severity of the immediate reaction influenced patient management in the presence or absence of penicillin skin test reagents (Figure 1(b)).
This study was undertaken to investigate skin autoreactivity in chronic idiopathic urticaria by using plasma anticoagulated with sodium citrate and compare autologous plasma skin test (APST) with autologous serum skin test (ASST).
Mean and median values (with SD or IQR) of clinical symptoms, in vivo allergen-induced skin tests, and in vitro specific pro-inflammatory and regulatory responses are displayed in Table 2.
Detractors of this proposal may argue that false positive skin tests could unnecessarily preclude patients from receiving PBVD, but the use of a standardised intradermal screening protocol would make this extremely uncommon and, in this setting, there are other means of finding sentinel nodes.
Delayed skin testing is similar to an immediate-type skin test; however, the reaction is typically read after 24 or 72 hours rather than 15 minutes after application of the antigens (Li 2002).
It is widely recommended that a skin test must be performed 48 hours before any colour procedure, whether at home or in-salon, in order for any sensitivities to become apparent.
For example, if a pediatrician believes a parent is unlikely to return for the reading of a tuberculin skin test result, the IGRA may be indicated.
Patients on combination therapy also showed preserved delayed-type hypersensitivity (DTH) responses to the Candida albicans skin test.
Twelve teachers have also been offered screening, which will involve a simple, painless skin test. Two days later, medical staff will assess the individual tests.