Medical Lasers; Engineering, Basic Research, and Clinical Application  
Endpoint Depth When Removing Xanthelasma Using CO2 Laser Ablation: A Case Report
Jeong Do Park, Se Young Kim, Hyun Gyo Jeong, Syeo Young Wee
Department of Plastic and Reconstructive Surgery, Soonchunhyang University Gumi Hospital, Gumi, Korea
Correspondence to: Syeo Young Wee
Department of Plastic and Reconstructive Surgery, Soonchunhyang University Gumi Hospital, 1 Gongdan-ro 179, Gumi 39371, Korea
Tel.: +82-54-468-9150
Fax: +82-54-463-7504
E-mail: 94061@schmc.ac.kr
Received: October 1, 2021; Accepted: November 2, 2021; Published online: November 25, 2021.
© 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
The carbon dioxide (CO2) laser is one of the treatment options used for xanthelasma palpebrarum. However, even if the full dermal layer is removed, the lesion can recur due to the residual lipid deposits. A 44-year-old male patient with xanthelasma on both upper eyelids was treated with a pulsed dye CO2 laser. On the right upper eyelid, we carried out a CO2 laser treatment until the yellowish plaque was almost invisible and the full thickness of the dermal layer was removed. On the left upper eyelid, the dermal layer was partially removed and an additional squeezing out of yellowish particles was done. The lesion treated by the squeezing out of lipid droplets showed better long-term results than the lesion treated up to the deeper dermal layer.
Keywords: Xanthelasma; CO2 laser


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