Airborne allergic contact dermatitis caused by tin

Abstract

A 15-year-old-boy presented to our clinic with a 10-week history of work-related dermatitis around the eyes, and on the forehead and arms, which had been present since he started an electronics apprentice. He was exposed to airborne dust containing tin while manipulating metals and soldering during the assembly of electrical wires. He previously had episodes of asthma, and has a familial history of atopy.Patch tests were performed with the European baseline series (Hermal, Reinbek, Germany), a preservatives series and a personal series that was customized to the patient's reported exposures, which included the following items: a piece of pure tin, pure copper, and copper sulfate diluted 1% in pet. Patch tests were also performed with tin chloride [concentrated 0.5% in pet. (1)] with IQ Ultra ® patch test chambers (Chemotechnique Diagnostics, Vellinge, Sweden). Readings were performed on D2 and D4. On D2, readings were positive for pure tin (+++) and for tin chloride (++) (0.5% in pet.). On D4, readings were positive (+++) for both tin derivatives.

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