An experimental study about treatment inverval of tatto treated by Q-switched ND: Yag laser in rabbits.
- Author:
Hey Sung LEE
1
;
Ro Hyuk PARK
;
Hyo Jook JANG
;
In Pyo HONG
;
Jong Hwan KIM
;
Se Il LEE
Author Information
1. Department of Plastic and Reconstructive Surgery, National Medical center.
- Publication Type:Original Article
- Keywords:
Q-switched Nd-YAG laser;
Treatment interval;
Artificial tattoos
- MeSH:
Cicatrix;
Lasers, Solid-State*;
Rabbits*;
Skin
- From:Journal of the Korean Society of Plastic and Reconstructive Surgeons
1998;25(1):46-53
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
Until the recent development of the Q-switched lasers, it was not possible to remove tattoos without permanent scarring and pigmentary changes. Among the Q-switched lasers which was introduced under the concept of selective photothermolysis, Q-switched Nd-YAG laser has a longer wave(1064nm), deeper penetration, and lesser pigmentary change of skin than other type Q-switched laser. So, proved effectivity in removing pigmented lesion and tattoos without scarring and pigmentary changes. But repeated treatment is essential for a good result and than there is no agreement on the treatment interval in using Q-switched Nd-YAG laser. In this experiment, the author tattooed on the back skin of rabbits and treated them twice using Q-switched Nd-YAG laser in 5 groups of different treatment interval(1,2,4,6,8 weeks). The authors analysed the histology and final therapeutic results of the 5 groups to find a reasonable and shorter treatment interval by which we can obtain an effective therapeutic result without causing permanent tissue injury and change of the skin texture. The result shows that the 4 week treatment interval of Q-switched Nd-YAG laser for the tattoo removal in rabbits is the shortest term by which we can get effective therapeutic results without permanent scar and pigmentary changes.
