Histologic evaluation of a Q-switched Nd:YAG laser in the nonablative treatment of wrinkles

被引：89

作者：

Goldberg, DJ

Silapunt, S

机构：

[1] CUNY Mt Sinai Sch Med, Skin Laser & Surg Specialists New York & New Jers, New York, NY 10029 USA

[2] Mahidol Univ, Ramathibodi Hosp, Div Dermatol, Bangkok 10700, Thailand

来源：

DERMATOLOGIC SURGERY | 2001年 / 27卷 / 08期

关键词：

D O I：

10.1046/j.1524-4725.2001.00353.x

中图分类号：

R75 [皮肤病学与性病学];

学科分类号：

100206 ;

摘要：

Background. A variety of nonablative dermal remodeling techniques are currently available. The Q-switched Nd:YAG laser, in addition to its role in tattoo removal, hair removal, and vascular and pigmented lesion treatment, may also play a role in dermal remodeling for the treatment of wrinkles. The histologic changes seen in human skin after Q-switched Nd:YAG laser exposure have yet to be evaluated. Objective. To study histologic changes after the use of a Q-switched Nd:YAG laser in the nonablative treatment of photoaged skin. Methods. Sun-damaged infrauricular skin from six female subjects was exposed to a Q-switched Nd:YAG laser at fluences of 7 J/cm(2) with two laser passes. Histologic examinations were performed before laser treatment and 3 months later. Results. Biopsy specimens showed slight fibrosis in the superficial papillary dermis with unremarkable epidermal changes. Conclusion. The Q-switched Nd:YAG laser produced morphologic changes similar to, but lesser in degree, than those seen with both CO2 and Er:YAG laser resurfacing.

引用

页码：744 / 746

页数：3

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