Ann Dermatol.  2016 Oct;28(5):673-675. 10.5021/ad.2016.28.5.673.

Successful Treatment of Tattoos with a Picosecond 755-nm Alexandrite Laser in Asian Skin

• Lee SH
• Lee MH
• Noh TK
• Choi KH
• Won CH
• Chang SE
• Lee MW
• Choi JH

• KMID: 2382906
• DOI: http://doi.org/10.5021/ad.2016.28.5.673

Abstract

No abstract available.

MeSH Terms

Asian Continental Ancestry Group*
Humans
Lasers, Solid-State*
Skin*

Figure

• 

  Fig. 1 Photographs taken at baseline and the end of the treatments. All patients had a single black tattoo, except for patient 3 who had a black and red-colored tattoo. Partial hypopigmentation was observed in patients 1, 4, and 5. (A) Patient 1: prior to treatment and after two treatments to remove a tattoo at the groin. (B) Patient 2: prior to treatment and after six treatments to remove a tattoo on the back. (C) Patient 3: prior to treatment and after one treatment to remove a tattoo on the shoulder containing black and red pigments. (D) Patient 4: prior to treatment and after five treatments to remove a tattoo on the hand dorsum. (E) Patient 5: prior to treatment and after four treatments to remove a tattoo on the chest. (F) Patient 6: prior to treatment and after two treatments to remove a tattoo on the arm.

• 

  Fig. 2 Electron micrographs of mel-Ab cells (×4,000); bars, 5 µm. (A) Electron-dense particles were observed in the cytoplasm of normal mel-Ab control cells. (B) After treatment with a picosecond 755-nm alexandrite laser, particles in the cytoplasm of mel-Ab cells disappeared or broke down into smaller parts without cell damage. (C) After treatment with a nanosecond 1,064-nm neodymium-doped yttrium aluminum laser, the particles decreased in number and size but some cell walls were destroyed, and bubble-like vacuoles developed in the cytoplasm (arrows) indicating cell damage.

Reference

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