Document Detail

A retrospective analysis of the management of freckles and lentigines using four different pigment lasers on Asian skin.
MedLine Citation:
PMID:  22372516     Owner:  NLM     Status:  Publisher    
Abstract Background: The risk of post-inflammatory hyperpigmentation (PIH) is increased during freckles and lentigines treatment in Asians. Objective: To determine the effectiveness and safety of using 595nm long pulsed dye laser (LPDL), 755nm LP Alexandrite laser, 532 nm QS Nd:YAG laser and 532 nm LP potassium-titanyl-phosphate (KTP) laser for the treatment of freckles or lentigines in Asian patients. Methods: This is a retrospective study of 40 Chinese patients, who were divided into four groups based on treatment modality using four different pigment lasers. Each patient attended between 1 to 4 treatments (mean of 1.8), at 4 to 6 weeks intervals, depending on clinical response. Lesional clearance and PIH were assessed by 2 independent clinicians. Results: Statistically significant improvement of global and focal facial pigmentation was found after treatment with LPDL, QS Nd:YAG, and LP KTP lasers. No significant improvement was found after LP Alexandrite laser. PIH risk was 20% after LP Alexandrite treatment, 10% with QS Nd:YAG, and absent after LPDL and LP KTP treatment. Conclusion: A long pulse laser and small spot size appear to reduce the risks of lentigines treatment in darker skin types.
Sgy Ho; Npy Chan; Ck Yeung; Sy Shek; T Kono; Hhl Chan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-28
Journal Detail:
Title:  Journal of cosmetic and laser therapy : official publication of the European Society for Laser Dermatology     Volume:  -     ISSN:  1476-4180     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136419     Medline TA:  J Cosmet Laser Ther     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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