The Q-switched ND:YAG laser effectively treats tattoos in darkly pigmented skin.

BACKGROUND: Laser therapy for removal of cosmetic tattoos has been proven efficacious in lighter skin. Few studies have been reported using the Q-switched neodymium-yttrium-aluminum-garnet (Nd:YAG) laser to treat tattoos in darkly pigmented or type VU skin, however.

OBJECTIVE: To report results using the Q-switched Nd:YAG laser to remove tattoos from type VI skin.

METHODS: Eight darkly pigmented patients had 15 amateur tattoos treated with the Q-switched Nd:YAG laser. Treatments numbered three or four on average and were given at 8-week intervals. Results were rated by the patients and by a panel of four physicians.

RESULTS: Eight of 15 tattoos were rated as 75-95% cleared after therapy. Another five tattoos were 50% cleared. Two tattoos were only 25% cleared, but underwent only two treatments. None of the patients reported any changes in texture of their skin post therapy. Thirteen of 15 tattoos were removed without any change in the color of the involved skin. The other two tattoos were removed with only slight lightening of the skin.

CONCLUSION: When treating patients in whom there is a significant risk for keloid scarring or destruction of natural pigment as a consequence of tattoo removal, the Q-switched Nd:YAG laser appears to be an excellent choice of therapy.