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A patch test relies on the principle of a type IV hypersensitivity reaction.. The first step in becoming allergic is sensitization. When skin is exposed to an allergen, the antigen-presenting cells (APCs) – also known as Langerhans cell or Dermal Dendritic Cell – phagocytize the substance, break it down to smaller components and present them on their surface bound major histocompatibility ...
A person receiving a skin allergy test. A microscopic amount of an allergen is introduced to a patient's skin by various means: [1] Skin prick test: pricking the skin with a needle or pin containing a small amount of the allergen. [2] Skin scratch test: a deep dermic scratch is performed with help of the blunt bottom of a lancet. [3]
Patch test. Jadassohn was among the first to take an immunological approach in research of dermatological disorders, and contributed to the understanding of the immunopathology of tuberculosis and trichophytosis. He was a pioneer in the field of allergology, and is credited for introducing patch testing for diagnosis of contact dermatitis. [1]
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A skin test is a medical test in which a substance is injected into the ... Leishmanin skin test; Lepromin; Patch test; Schick test; Skin allergy test; Sweat diagnostics;
This page was last edited on 16 October 2018, at 11:10 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike License 3.0; additional terms may apply.
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