Lasertherapie der Haut

Dummer, Reinhard; Bloch, PH

doi:10.4414/smf.2002.04404

Cited by 2 publications

(1 citation statement)

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“…Since the 1960s, a great multitude of different lasers, such as the pulsed dye (595 nm), frequency-doubled Nd:YAG (532 nm), Q-switched ruby (694 nm), Q-switched Alexandrite (755 nm), Q-switched Nd:YAG (1064 nm), CO 2 (10,600 nm), and Argon (488-630 nm) diode lasers have been under investigation for the treatment of lentigines solares. All available Q-switched (QS) lasers have been demonstrated to be safe and efficacious in the treatment of lentigines [7] and produce excellent results [8]. With the Q-switched lasers in general, only one to two treatment sessions are necessary in order to achieve a satisfactory treatment response.…”

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

Schoenewolf

Hafner

Dummer

et al. 2015

European Journal of Dermatology

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To cite this article: Schoenewolf NL, Hafner J, Dummer R, Bogdan Allemann I. Laser treatment of solar lentigines on dorsum of hands: QS Ruby laser versus ablative CO 2 fractional laser -a randomized controlled trial. Eur J Dermatol 2015; 25(2): 122-6Background: 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.

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