Medical Lasers; Engineering, Basic Research, and Clinical Application  
Verruca Plana Successfully Treated with a 2790-nm Erbium: Yttrium-Scandium-Gallium-Garnet Laser
Su Jung Park1, Kui Young Park1, Seong Jun Seo1, Ji Yeon Hong2
1Department of Dermatology, Chung­Ang University College of Medicine, Seoul, Korea
2Department of Dermatology, Seoul National University Hospital, Seoul, Korea
Correspondence to: Ji Yeon Hong
Department of Dermatology, Seoul National University Hospital, 101 Daehak­ro, Jongno­gu, Seoul 03080, Korea
Tel.: +82­2­2072­3171
Fax: +82­2­742­7344
E­mail: caudrjyhong@gmail.com
Received: March 9, 2020; Accepted: March 30, 2020; Published online: April 16, 2020.
© Korean Society for Laser Medicine and Surgery. All rights reserved.

This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Verruca plana is a cutaneous infection caused by the human papilloma virus. Although various treatment methods are currently available, most have limitations due to the risk of complications such as hyperpigmentation, edema, and scarring. Moreover, as the infection tends to spread easily, new verrucae can potentially develop, and treatment procedure times tend to be lengthy. Thus, novel treatment methods are required. The 2790­nm wavelength erbium:yttrium–scandium–gallium–garnet (Er:YSGG) laser is a superficial resurfacing laser. Here, we present a case of a 25­year­old woman with multiple verrucae treated using a 2790­nm Er:YSGG laser. Compared to traditional methods, this novel laser is convenient, produces better cosmetic outcomes, and is less time­consuming; it is therefore suitable for the treatment of facial verruca plana.
Keywords: Verruca plana; Er:YSGG Laser


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