epicutaneous test

epicutaneous test

In allergy testing, a test administered by applying a patch or plaster containing an antigen to the skin or by pricking or scratching the skin with an antigen-loaded needle, scalpel, or other sharp object.
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Maibach (1985), "The Thin Layer Rapid Use Epicutaneous Test (TRUE-Test), a New Patch Test Method with High Accuracy," British Journal of Dermatology, 112:63-68.
The patients in many reported cases later tested positive for chlorhexidine induced hypersensitivity reaction by means of intradermal, scratch, and epicutaneous tests (43, 45, 47, 48).
We could not perform skin tests to confirm drug allergy to efavirenz because of logistical reasons [several readings in the case of epicutaneous tests (24 h, 48 h and 72 h)].
Although it is possible to perform semiquantitative skin testing with prick techniques, [17] it is not commonly done because the range of testing is technically limited by the high concentrations of antigen required for these epicutaneous tests.
1c); epicutaneous testing using the Portuguese Contact Dermatitis Group (PCDG) Standard Series, plants and woods were negative; non-irradiated epicutaneous tests (stand-ard photoallergens) were negative; and irradiated photoepicu-taneous tests (standard photoallergens - 5 J/c[m.