Sarkoidale allergische Kontaktdermatitis auf Palladium nach Ohrpiercing

Granulomatous tissue reactions due to jewelry made of gold, silver, nickel and palladium are rare but nevertheless have been known for a long time.A female patient developed nodular infiltrates after having been pierced with ear stickers containing palladium.A contact allergic reaction could be demonstrated as the underlying cause by inducing similar histological changes following patch testing with palladium.