Milia: a unique reaction to tattoos.

Tattoo-related dermatoses are varied and uncommon. Although rare, reactions to tattoos have been reported with a multitude of tattoo pigments and most commonly present with an eczematous reaction pattern. Milia are small keratinous cysts that may arise as primary lesions or secondary to some other trauma to the skin. We report the case of a 28-year-old man who presented with a papular eruption of 3 months' duration confined to the area of recently placed tattoos; the eruption was diagnosed as milia.