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  • Title: Use of a Picosecond Alexandrite Laser for Treating Acquired Bilateral Nevus of Ota-Like Macules in Chinese Patients.
    Author: Ding H, Yang Y, Guo L, Lin T.
    Journal: Lasers Surg Med; 2020 Dec; 52(10):935-939. PubMed ID: 32282092.
    Abstract:
    BACKGROUND AND OBJECTIVES: Acquired bilateral nevus of Ota-like macules (ABNOM) is common among the Chinese population. There have been few studies on the use of a picosecond alexandrite laser for the treatment of ABNOMs. The goal of this study was to evaluate the efficacy and safety of a 755 nm picosecond alexandrite laser for the treatment of ABNOMs. STUDY DESIGN/MATERIALS AND METHODS: A total of 225 subjects diagnosed with ABNOMs were included in this retrospective study. A 755 nm picosecond alexandrite laser system was used to treat all subjects. The safety and effectiveness of the laser were determined using a clinical photo assessment. The correlating factors of the patients, including the age, Fitzpatrick skin type, lesion location, lesion color, treatment procedures, melasma, and outcomes, were analyzed. RESULTS: The patients underwent one to four treatment sessions with clinical clearance (>90%) rates of 8.89%, 30.99%, 56.65%, and 60.00%, respectively. A higher number of sessions was positively associated with a better treatment response. The hyperpigmentation incidence rate was 22.67%, and one case of hypopigmentation was observed. CONCLUSION: Our results suggest that a picosecond alexandrite laser is an effective and safe approach for treating ABNOMs in Chinese patients. Lasers Surg. Med. © 2020 Wiley Periodicals, Inc.
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