Q-switched lasers have effectively treated tattoos with a low risk of scarring.1-4 We describe 2 patients with "double tattoos" who developed hypertrophic scarring following a single Q-switched laser treatment.
An 18-year-old man, skin type II, presented with a professional tattoo on his right upper arm. It was initially a black tattoo of a tribal figure that was later covered by a black tattoo of a panther. The patient had no history of keloids or hypertrophic scarring.
Alora MBT, Arndt KA, Taylor CR. Scarring Following Q-Switched Laser Treatment of "Double Tattoos". Arch Dermatol. 2000;136(2):269–270. doi:
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