Patch testing with ISS gave a 1+ reaction for nickel sulfate at 48 hours, with the dimethyl glyoxime (DMG) test on the watch being negative.Įczematous plaques seen in the cubital fossae She also had a past history of itchy, scaly plaques on her left wrist, at the site of her watch. Strong patch test positive result to nickel sulfate Nickel Dmg Structure ExamplesĬase 2: A 21-year-old student presented with itchy hyperpigmented plaques on anticubital fossae, after 1 month of blood donation. Ĭlinical photograph showing papular eruption in the cubital fossae
Patch testing using Indian standard series of allergens revealed 2+ reaction to nickel sulfate at 48 and 72 hours. Few of the papules showed central crusting.
NICKEL DMG STRUCTURE SKIN
On examination, multiple skin colored erythematous papules in bilateral anticubital fossae were noted. Also, a positive history of similar symptoms on using artificial jewellery was elicited. She did not relate any immediate itching or burning sensation following cleansing with the antiseptic solution.
The patient had recently recovered from typhoid fever, and while she was in hospital, she gave history of repeated blood withdrawals from the site. This article has been cited by other articles in PMC.Ĭase 1: A 23-year-old student presented with an itchy eruption on her forearms for 2 weeks.
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