patch test

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patch test

[′pach ‚test]
(immunology)
A test in which material is applied and left in contact with intact skin surfaces for 48 hours in order to demonstrate tissue sensitivity.
References in periodicals archive ?
Atopy patch test in diagnosis of food allergy to egg In adult patients suffering from atopic eczema.
These MPD values are also transformed into ETD so that they can be compared to measurements from the sand patch tests and other methods.
As with any other allergen, the ideal patch test concentration should be able to detect as many cases of contact allergy as possible without causing irritant reactions or active sensitization," the authors said, noting that preliminary results from Denmark suggest that 2,000 ppm (0.
She recently set up a salon that uses natural hair colouring products and says: "I'm getting quite a high number of new clients who are saying that they've never been tested and these are women in their fifties who have never had a skin patch test.
But out of the 30 salons, 25 failed to suggest the customer have a patch test to see if they were allergic to the dye before having the treatment done.
bromodicyanobutane", "dispersions-mix blue", "epoxy resin", "formaldehyde", "fragrance mix II", "fragrance mix", "IPPD", "lyral", "mercapto mix", "2-mercaptobenzothiazole", "CMI/MI", "nickel sulfate hexahydrate", "4-tert-butylphenol formaldehyde resin", "potassium dichromate", "balsam of peru", "propolis", "paraban mix", "thiuram mix", 'Venice turpentine", "wool alcohols", bis-diethyldithiocarbamato-zinc (Brial Allergen[R]GmbH, D-Greven, Germany) ile yama testleri Allergeaze Patch test Chamber[R] kullanilarak yapildi.
This equation is used in this research to convert the measurements obtained from sand patch tests into MTD values for comparison with other measurement methods.
Or, if a patch test result is a weak positive - a 1+ with some induration or a palpable component - it's important to repeat the test to see if the result is reproducible, said Dr.
Data from the questionnaires and patch tests that were analyzed from 60 subjects who completed the study to date found that 63 percent of participants developed hand dermatitis.
In this study, the patch test reactions to the European Standard Battery and topical drugs used by the patients and medicament patch test results were evaluated.