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Chinese Journal of Medical Aesthetics and Cosmetology ; (6): 241-243, 2011.
Article in Chinese | WPRIM | ID: wpr-419537

ABSTRACT

Objective To observe the clinical efficacy of Q-switched Alexandrite laser at 752 nm in the treatment of nevus of Ota. Methods A total of 1985 cases of nevus of Ota were treated with the Q-switched Alexandrite laser PhotoGenica HT10, and then the ages, frequency of treatment and interval of treatment were analyzed. Results The excellent effective rate was 97.88 %, and the total effective rate was 100 % in 1985 cases. Most patients in all age group received the excellent effects, however, there was no significant difference between the groups. Most patients acheived the excellent effect after 4 to 5 treatments, and very few patients (0.8 %) needed over 10 treatments; the rate ofpatient who needed 1-3 treatments or 6-10 treatments was 18. 2 % and 25.8 %, respectively. The patients had the most excellent efficacy in the group that the interval of two treatments was 4 to 6months, however, there was no significant difference between the group of the interval of two treatments over 6 months. In our study, there were only a few cases (4.48 %) with slight side reaction,such as temporary pigmentation and hypopigmentation and scar. Conclusions 752 nm Q-switched Alexandrite laser is one of effective and safe treatments for nevus of Ota.

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