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Q‐switched Nd:YAG laser treatment for acquired bilateral nevus of Ota‐like maculae: A long‐term follow‐up
Author(s) -
Kunachak Somyos,
Leelaudomlipi Panadda
Publication year - 2000
Publication title -
lasers in surgery and medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.888
H-Index - 112
eISSN - 1096-9101
pISSN - 0196-8092
DOI - 10.1002/(sici)1096-9101(2000)26:4<376::aid-lsm5>3.0.co;2-j
Subject(s) - nevus of ota , melasma , hyperpigmentation , medicine , melanosis , dermatology , nevus , hypopigmentation , surgery , nd:yag laser , laser , optics , melanoma , physics , cancer research
Background and Objective Acquired bilateral nevus of Ota‐like maculae (ABNLM) is not an uncommon dermal melanosis in Asian people. It is known for its recalcitrance to conventional treatment. We proposed Q‐switched Nd:YAG laser for the treatment of this entity. Study Design/Patients and Methods Seventy female patients with ABNLM, who were 25–40 years old (mean, 37 years), were included in a prospective clinical study. Q‐switched Nd:YAG laser at fluence of 8–10 J/cm 2 , spot size 2 or 4 mm, and a repetition rate of 10 Hz was used to treat the lesions. Results Two patients were lost to follow‐up. In the remaining 68 cases, all lesions attained a 100% clearance after two to five treatment sessions (mean, 2.8 sessions). The results had persisted at 3–4 years follow‐up (mean, 42 months). Temporary hyperpigmentation was found in 50% of patients; there was no scarring or changing of skin texture. Conclusion Q‐switched Nd:YAG laser is a safe and effective noninvasive alternative treatment for ABNLM. Lasers Surg. Med. 26:376–379, 2000. © 2000 Wiley‐Liss, Inc.