Histologic examination of the tan patch reveals features of lentigo simplex, whereas the speckled macules and papules disclose melanocytic nevi.
Conclusion Q-switched Alexandrite laser is effective in the treatment of nevus of Ota, seborrheic keratosis, tattoo, and naevus fusco-caeruleus zygomaticus, but has limited efficacy for cafe-au-lait-spots, lentigo, naevus of Ito, and spilus naevus.
