Laser treatment of solar lentigines on dorsum of hands: QS Ruby laser versus ablative CO2 fractional laser–a randomized controlled trial

Background Lentigines solares (LS) on the dorsum of hands are often esthetically disturbing. Q-switched ruby laser treatment is highly effective in the treatment of these lesions. Ablative fractional photothermolysis may be a suitable alternative.We compared the Q-switched ruby laser with ablative C...

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Bibliographic Details
Published in:EJD. European journal of dermatology 2015-04, Vol.25 (2), p.122-126
Main Authors: Schoenewolf, Nicola L., Hafner, Jürg, Dummer, Reinhard, Bogdan Allemann, Inja
Format: Article
Language:English
Subjects:
Aged
Dermatology
Female
Hand Dermatoses - surgery
Humans
Lasers, Gas - adverse effects
Lasers, Gas - therapeutic use
Lasers, Solid-State - adverse effects
Lasers, Solid-State - therapeutic use
Lentigo - surgery
Male
Medicine
Medicine & Public Health
Middle Aged
Pain - etiology
Patient Satisfaction
Prospective Studies
Single-Blind Method
Therapy
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Summary:Background Lentigines solares (LS) on the dorsum of hands are often esthetically disturbing. Q-switched ruby laser treatment is highly effective in the treatment of these lesions. Ablative fractional photothermolysis may be a suitable alternative.We compared the Q-switched ruby laser with ablative CO 2 fractional photothermolysis for the treatment of solar lentigines. Objective To evaluate the efficacy and side-effects of 694nm Q-switched ruby laser (Sinon) with the ablative 10,600nm CO 2 fractional laser (Quantel Excel O2) in an intra-individual side-to-side comparison in the treatment of LS on the dorsum of hands. Material and methods Eleven patients were included in the study. The hands of each patient were randomized for treatment with the two laser systems. Three treatment sessions were scheduled at weeks 0, 4 and 8. Evaluations by patients, treating physician and blinded experts were scheduled at weeks 0, 4, 8, 16 and 24. Results The Q-switched ruby laser was significantly more efficacious than the ablative CO 2 fractional laser for removing LS on the dorsum of hands (p = 0.01). Conclusion In this first study on this topic, the Q-switched ruby laser was superior to the ablative CO 2 fractional laser in the treatment of lentigines solares on the dorsum of hands.
ISSN:1167-1122
1952-4013
DOI:10.1684/ejd.2014.2513