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Prevalence of polysensitivity in allergic contact dermatitis: A five-year retrospective study
Channaraya Aradita1, Srihari Sahana2, P S S Ranugha2
1Department of Dermatology, Adesh Institute of Medical Sciences and Research Bathinda, Punjab, India.
Indian Journal of Dermatology, Venereology and Leprology
|February 6, 2025
Abstract
No abstract available in PubMed .
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Delayed-Type Hypersensitivity (DTH), or Type IV hypersensitivity, is a cell-mediated immune response. It occurs when T cells, rather than antibodies, mediate a reaction to specific antigens. It is characterized by a delayed onset (1-2 days) and involves the recruitment of macrophages to the inflammation site.The initiation of a DTH response begins with the sensitization of T cells. During this phase, which lasts at least 1-2 weeks, antigen-specific T cells are activated, clonally expanded, and...