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Table of Content - Volume 20 Issue 2 - November 2021


Clinical and patch testing correlation in allergic contact dermatitis


Nahar Sumitkumar Parasmalji1*, Ashok S Hogade2


1PG Student, 2Professor and HOD, Department of Dermatology, Venereology and Leprology, Basaweshwar Hospital, Mahadevappa Rampure Medical College, Sedam Road, Kalaburagi (Gulbarga) 585105, Karnataka, INDIA.

Email: drsumitnahar@gmail.com


Abstract              Background: Allergic contact dermatitis (ACD) is an acute or chronic inflammatory condition which is T-cell mediated type IV hypersensitivity reaction on the skin following contact with exogenous allergen. Patch testing is the gold standard test to diagnose ACD. Patch testing is a noninvasive, cost effective, OPD procedure with good patient compliance and it provides earliest diagnosis of ACD so as to make appropriate interventions. Methodology: A prospective observational study was done on suspected ACD patients attending dermatology. Study was carried out in a tertiary care hospital over a period of 2 years. All these patients were subjected to patch testing. Clinical and patch testing findings were correlated. Results: A total of 50 patients with suspicion of ACD were included in our study. Out of total fifty patients studied; thirty patients were found to be patch test positive. There was a male predominance (4:2) and majority belonged to age group of 30 – 45 years. The common allergens found was parthenium followed by potassium dichromate followed by PPD. Conclusion: Patients with ACD have a varied clinical presentation. Patch testing is the confirmatory diagnostic tool for ACD which can help in finding allergen and for earliest intervention.

Key Words: ACD, Parthenium, PPD.