Sarcoidal Reaction in a Tattoo

Sarcoidal Reaction in a Tattoo: A 42-year-old man presented to the dermatology clinic with a 5-month history of numerous papules along the pattern of his tattoos, which he had received 10 years earlier (Panel A). There was no associated pain or pruritus. He reported that he had not had any dyspnea, fever, arthralgias, visual…