Q-switched lasers are the standard of care for treating pigmented lesions and removing tattoo ink, though long-pulsed lasers and intense pulsed light devices also work, says ASDS President-elect Dr. George Hruza. Benign melanocytic hyperplasia should be biopsied before laser treatment to ensure it is not lentigo maligna, Hruza said, and several treatments may be necessary for café au lait macules. Tattoo removal also requires multiple treatments, typically with different wavelengths and colors that are opposite on the color wheel from the ink to be removed, Hruza says.

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