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- Title
Treatment of acquired bilateral nevus of Ota-like macules (Hori's nevus) using 1064-nm Q-switched Nd:YAG laser with low fluence.
- Authors
Sung Bin Cho; Soo Jie Park; Moon Jung Kim; Tae Sung Bu
- Abstract
Background Acquired bilateral nevus of Ota-like macules (ABNOM), or Hori's nevus, is a common dermal melanocytic hyperpigmentation in Asians. Aim To describe the effect of 1064-nm Q-switched Nd:YAG laser (QSNY) with low fluence in South Korean patients with ABNOM. Methods Fifteen South Korean patients (13 women and two men; mean age, 33.2 years; range, 26–52 years; Fitzpatrick skin type IV), clinically diagnosed with ABNOM, and treated using 1064-nm QSNY with low fluence, were enrolled in this study. Patients were treated with 1064-nm QSNY using a MedLite C6™ (HoyaConBio Inc., Fremont, CA, USA) at 1–2-week intervals. The laser settings were 2.2–2.6 J/cm2 using a 6-mm spot size, followed by 4–6 J/cm2 using a 4-mm spot size. Results The median number of QSNY treatment sessions was 11 (range, 10–15). Follow-up results 2 months after the final treatment revealed that seven of the 15 patients (46.7%) demonstrated clinical improvement of 76–100%, and five (33.3%) of 51–75%. Three patients showed moderate clinical improvement between 26% and 50%. Post-therapy dyschromia, including hypo- and hyperpigmentation, was not observed. Conclusion We suggest that QSNY with low fluence provides an easy-to-perform, low-downtime, effective treatment algorithm in certain cases of ABNOM in Asian patients.
- Subjects
SOUTH Korea; FREMONT (Calif.); CALIFORNIA; SKIN disease treatment; LASER therapy; HOYA Photonics Inc.; ASIANS; DISEASES
- Publication
International Journal of Dermatology, 2009, Vol 48, Issue 12, p1308
- ISSN
0011-9059
- Publication type
Report
- DOI
10.1111/j.1365-4632.2008.04061.x