Patch Test (Allergy Test): Procedure and Significance
What is an epicutaneous test? The epicutaneous test is a skin test for the diagnosis of contact allergies (allergic contact dermatitis or allergic contact dermatitis). They are caused by prolonged direct skin contact with the triggering substance (allergen, e.g. nickel-containing necklace). Because the allergic reaction occurs with a time delay, physicians speak of a late-type … Patch Test (Allergy Test): Procedure and Significance