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Monthly QUIZ 

August 2003

Designed by;

O. Zargari , MD

Razi Hospital, Rasht, Iran

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 What's your diagnosis and differentials?

Dx: Tatoo reactions

Clinically apparent inflammatory reactions to tattoos are quite rare and have been observed most commonly with the red dyes containing mercuric sulfide.

Tattoo reactions may be non-granulomatous or granulomatous. Non-granulomatous reactions may be lichenified or pseudolymphomatous and granulomatous reactions may be either of the sarcoidal type or the foreign-body type. Sometimes a sarcoidal granuloma in a tattoo may be the presenting manifestation of generalized sarcoidosis.

In this case, typical sarcoidal granulomas was seen in histopathological examination.