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Postinflammatory Hyperpigmentation Associated with Treatment of Solar Lentigines using a Q-Switched 532-nm Nd: YAG Laser: A Multicenter Survey

Title
Postinflammatory Hyperpigmentation Associated with Treatment of Solar Lentigines using a Q-Switched 532-nm Nd: YAG Laser: A Multicenter Survey
Author
고주연
Keywords
Postinflammatory hyperpigmentation; solar lentigo; Q-switched 532-nm Nd : YAG laser
Issue Date
2016-10
Publisher
TAYLOR & FRANCIS LTD
Citation
JOURNAL OF DERMATOLOGICAL TREATMENT, v. 28, no.5, page. 447-451
Abstract
Purpose: To characterize the risk factors of Korean patients for postinflammatory hyperpigmentation (PIH) during treatment of solar lentigines using a Q-switched 532-nm Nd: YAG (QS 532 NY) laser. Materials and Methods: The present retrospective multicenter study was conducted at the dermatology clinics of five tertiary hospitals in Korea. Between October 2007 and January 2013, 516 patients were enrolled and reviewed for clinical features and factors associated with PIH. Results: The overall incidence of PIH was 20.3%. We demonstrated that patients with erythematous lentigines presented with PIH more frequently compared with those without erythematous lentigines. Among several coexisting conditions, facial diffuse dyschromia was significantly associated with PIH. Furthermore, PIH occurred more frequently in patients with invisible pores and velvety skin. However, age, sex, Fitzpatrick skin’s phototype and season of treatment showed little association with PIH. Conclusions: When a QS 532 NY laser is used to treat individuals with erythematous lentigines, invisible pores and velvety skin, and facial diffuse dyschromia, clinicians should be cautious and consider preventive measures.
URI
https://www.tandfonline.com/doi/full/10.1080/09546634.2016.1254330https://repository.hanyang.ac.kr/handle/20.500.11754/100556
ISSN
0954-6634; 1471-1753
DOI
10.1080/09546634.2016.1254330
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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