Lasers in Medical Science

, Volume 22, Issue 3, pp 159–163

Treatment of 153 Japanese patients with Q-switched alexandrite laser

Authors

    • Department of Dermatology, Faculty of MedicineUniversity of Tokyo
  • Akihiko Asahina
    • Department of DermatologySagamihara National Hospital
  • Rei Watanabe
    • Department of Dermatology, Faculty of MedicineUniversity of Tokyo
  • Yoshihiro Mimura
    • Department of Dermatology, Faculty of MedicineUniversity of Tokyo
  • Akira Shirai
    • Department of Dermatology, Faculty of MedicineUniversity of Tokyo
  • Naoko Hattori
    • Department of Dermatology, Faculty of MedicineUniversity of Tokyo
  • Takahiro Watanabe
    • Department of Dermatology, Faculty of MedicineUniversity of Tokyo
  • Kunihiko Tamaki
    • Department of Dermatology, Faculty of MedicineUniversity of Tokyo
Original article

DOI: 10.1007/s10103-006-0436-4

Cite this article as:
Kagami, S., Asahina, A., Watanabe, R. et al. Lasers Med Sci (2007) 22: 159. doi:10.1007/s10103-006-0436-4

Abstract

We have recently used Q-switched alexandrite laser for the treatment of various kinds of pigmented skin lesions. We retrospectively compared therapeutic outcomes of 153 Japanese patients who consulted our department. This approach was not very efficient for nevus spilus/café-au-lait spots, which seemed laser-resistant, especially when the pigmentation had appeared after 1 year of age, was treated after 5 years of age, was located on the face, was oval with a smooth border, and the patient was male. This approach was equally effective for senile lentigo, nevus of Ota, and Mongolian spots, but less effective for acquired bilateral nevus of Ota-like macules. Some patients with sacral Mongolian spots or those with light-colored, senile lentigo developed severe post-inflammatory hyperpigmentation after treatment. As a whole, good therapeutic outcome was achieved after multiple treatment sessions. However, the use of other lasers or other treatment modalities should be considered to treat nevus spilus/café-au-lait spots.

Keywords

Alexandrite Lasers Nevus Lentigo Mongolian spot

Copyright information

© Springer-Verlag London Limited 2007