Tattoo sarcoidosis on the arm associated with systemic involvement: Case report

A 32 year-old male was admitted with papular lesions over his tattoo. After histopathologic examination of the lesion and biochemical and radiologic examinations, "tattoo sarcoidosis with pulmonary involvement" was diagnosed. Skin involvement of sarcoidosis is rare but it is known that first lesion can develop on old scar. Sarcoidosis on tattoos is a rare form of scar sarcoidosis in which tattoos become infiltrated with non-caseating epiteloid cell granulomas. The occurrence of tattoo sarcoidosis may be as an isolated local reaction or may accompany systemic involvement. Herein, we report a case of tattoo sarcoidosis on the arm associated with systemic involvement. Copyright © 2010 by Türkiye Klinikleri.