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 ?
Patch tests involve formal testing to diagnose superimposed allergic contact dermatitis, e.
I therefore find that the claimant has not sufficiently proved that the patch test is defective.
In order to compare the MPD to mean texture depth (MTD) from sand patch test, a transformation equation is used to reclassify the MPD as an Estimated Texture Depth (ETD).
Conclusion: Since no similar study has been previously performed in our area, this study provides information about contact allergen profile in patients underwent skin patch test with a diagnosis of ACD in Yozgat.
Some of the products she uses still contain a small amount of PPD and she patch tests all her clients.
But 25 failed to suggest a patch test first, to see if the customer was allergic to the dye.
The mother of six did a patch test three days before using a home dye kit, and after nothing happened, she applied the colour to her whole head.
But over all, if after a patch test you realise mineral make- up suits your skin, it's the best and one of the most fuss- free way to having a smooth, blemish- free skin.
The only reliable way to test for a true allergy is an IgE blood test, a skin prick test or a patch test, which are only performed by trained medics in a specialist allergy clinic, because of the risk of severe reactions.
And do try a patch test first - or you might look less like Ginger Spice and more like the Tango Man.
Atopy patch test reactions to Malassezia allergens differentiate subgroups of atopic dermatitis patients.