Aesthetic removal of large melanocytic nevi using CO2 lasers with a programmed 4-step approach

作者：Zhang, Li-Yun; Zhang, Min-Xia; Chen, Chun-Ye; Fang, Qing-Qing; Ding, Shi-Li; Xu, Ji-Hua; Tan, Wei-Qiang^*

来源：International Journal of Clinical and Experimental Medicine, 2018, 11(6): 6309-6315.

• Melanocytic nevi
• carbon dioxide
• lasers

Laser therapy provides an excellent cosmetic outcome for melanocytic nevi smaller than 3 mm in diameter, while surgical removal is recommended for larger ones, especially, those needing pathological examination. The authors have designed a programmed, 4-step approach of using CO2 lasers to aesthetically remove large melanocytic nevi having a diameter of 3-7 mm. Fifty-six cases were treated by CO2 lasers using a programmed, 4-step excision technique. First, a sufficient dose of anesthetic was injected subcutaneously. Second, the skin was cut along the periphery of the nevus. Third, the nevus was excised along the lower surface using a "laser scalpel". Last, the base of the wound was vaporized with several passes. Forty-eight patients completed the follow-up time of 3-12 months. The wound closed in 7-10 days, and most of the scars with hyperpigmentation became imperceptible in 3 months; most of the cases had excellent results. Compared with surgical removal of large, 3-7 mm nevi, our method of using CO2 lasers with a programmed, 4-step approach has proven to be a simple and satisfactory alternative, offering a low recurrence rate and good cosmetic appearance.

• 出版日期2018
• 单位浙江大学