Open AccessTreatment of Congenital Melanocytic Nevi With a Dual-Wavelengths Copper Vapor Laser: A Case Series
Author(s) -
Igor Ponomarev,
Sergey B. Topchiy,
А. Е. Пушкарева,
S. V. Klyuchareva,
Yury N. Andrusenko
Publication year - 2021
Publication title -
journal of lasers in medical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.443
H-Index - 21
eISSN - 2228-6721
pISSN - 2008-9783
DOI - 10.34172/jlms.2021.05
Subject(s) - medicine , congenital melanocytic nevus , phototype , copper vapor laser , hyperpigmentation , forehead , dermatology , intense pulsed light , hypopigmentation , lesion , atrophy , laser , nevus , melanoma , pathology , surgery , optics , physics , cancer research
Congenital melanocytic nevus (CMN) is a severe challenge for dermatology. This pigmented skin lesion is undesirable for patients because of its localization in open areas of the body. Various visible and near-infrared laser systems and intense pulsed light (IPL) sources have been applied for CMN treatment. However, post-traumatic hyperpigmentation, structural changes, atrophy, and scarring due to non-specific thermal damage have been observed. Many patients have shown recurrence after treatment. Therefore, it highlights the need for testing new laser modalities for the management of CMN. Methods: Two adult II Fitzpatrick phototype patients (a 55-year-old male and a 30-year-old female) with middle-sized facial CMN (on the forehead and lower eyelid) are presented. All patients were treated with dual-wavelength copper vapor laser (CVL) radiation at 511 nm and 578 nm wavelengths with a power ratio of 3:2. The average power was 0.7-0.85 W with an exposure time of 0.3 seconds. The spot size amounted to 1 mm. Results: Both patients showed complete resolution of CMN after CVL treatments. CMN became crusted within a few days after the laser treatment and peeled off within seven days. No recurrences were observed during the follow-up period up to 24 months. Conclusion: The middle-sized CMN can be successfully treated with dual-wavelength CVL radiation.