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Papers of The 1st Japan Scar Workshop |
21. The Possibility of Laser Treatment for Keloids or Scars
Aoki R
Department of Plastic and Reconstructive Surgery, Nippon Medical School,
Tokyo, Japan
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Even though it is commonly believed that keloids or scars can be treated
with laser, there is not much scientific evidence. A PubMed search
revealed that only thirty articles on the effectiveness of laser for
those conditions are available. The articles published before 2000 were
mainly on CO2 lasers and those after 2000 are on dye lasers. According
to the authors’ experience, dye lasers are not effective enough to treat
scars. Recently the concept of fractional photothermolysis was
introduced and “Fraxel” was developed. This laser aims at treating aging
skin, however, we utilize it to treat scars. As hypertrophic scars tend
to decrease in size spontaneously without any treatment, it is difficult
to assess the effectiveness of the treatment alone. Therefore we
attempted to cure matured scars in order to assess the effectiveness of
this new device. Fraxel irradiates glass-YAG laser 2000 shots/cm2 to the
maximum. The old irradiated skin is replaced by newly reformed skin. So
we assumed that if we used this laser for scars, the scar tissue can be
replaced with normal skin. We have presented three clinical cases. Case
1 was a 24-year-old male complaining of acne scar on the cheeks. Case 2
was a 43-year-old male with old elevated scars on the anterior chest
wall. Case 3 was a 24-year-old female with burn scar of the face. These
3 cases presented good result after Fraxel treatment. Even though we
experienced only a few cases and the period was short , the results
suggest that Fraxel can improve skin condition, and even scar tissue is
improved to normal skin. |
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