Site-oriented depigmentation in vitiligo patients using Q-switched Nd:YAG laser (1,064/532 nm), cryotherapy and chemical peels: A comparative study.

Site-oriented depigmentation in vitiligo patients using Q-switched Nd:YAG laser (1,064/532 nm), cryotherapy and chemical peels: A comparative study.

El-Mofty, Medhat;Mostafa, Wedad Z;Esmat, Samia;Zayed, Amira;Mashaly, Heba;Hussien, Marwa F;Ismail, Sarah I;
dermatologic therapy 2019 pp. e13052
255
elmofty2019siteorienteddermatologic

Abstract

Depigmentation emerges as a feasible solution for vitiligo universalis and refractory cases of vitiligo vulgaris that hinder patients' quality of life. A range of depigmenting modalities has previously been developed. However, each has its own limitations. Based on skin sensitivity, this study sets out to compare the efficacy and tolerability of "trichloroacetic acid (TCA) peels 25% and 50% and Qs Nd:YAG laser (1,064/532 nm)" for facial depigmentation and "cryotherapy, phenol 88% and Qs Nd:YAG (1,064/532 nm)" for extrafacial skin depigmentation. Forty vitiligo patients were examined and equally divided into facial & extrafacial groups. Regular sessions were performed. Patients' responses were assessed after 3 months or when excellent/complete depigmentation was attained through assessing "depigmentation grade", "extent of depigmented skin", "patient satisfaction" and "overall response". Patients were observed for a six-month follow-up period. In facial depigmentation, Qs Nd:YAG showed the highest significant response followed by TCA 50% and 25%. In extrafacial depigmentation cryotherapy, phenol 88% and Qs Nd:YAG laser displayed positive outcomes without significant difference. Among the modalities tested Qs Nd:YAG yielded superior results in facial residual pigmentation in vitiligo when compared to TCA 50% and 25%, whereas in extrafacial sites Qs Nd:YAG, cryotherapy and phenol were equally effective.

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