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 ORIGINAL ARTICLE
Year : 2011  |  Volume : 77  |  Issue : 5  |  Page : 565--570

1064 nm Q switched Nd: YAG laser treatment of nevus of Ota: An Indian open label prospective study of 50 patients


Department of Dermatology, STD and Leprosy, Dr. RML Hospital and PGIMER, Baba Kharak Singh Marg, New Delhi 110 001, India

Correspondence Address:
Hemanta Kumar Kar
Department of Dermatology, STD and Leprosy, Dr. RML Hospital and PGIMER, Baba Kharak Singh Marg, New Delhi 110 001
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0378-6323.84057

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Background: Nevus of Ota is very common in Asians. Estimated male to female ratio is 1:4.8. Patients seek treatment early in life due to psychological trauma and cosmetic disfigurement. The creation of high power, short pulse Q switched lasers has recently provided tools for considerable therapeutic advances in the treatment of dermal pigmented lesions. Aims: To determine the efficacy and side-effect profile of Q switched Nd:YAG Laser (QSNYL) in fifty Indian patients. Methods: Fifty patients of nevus of Ota underwent multiple treatments (average 5 sessions) at monthly intervals carried out over a period of 2 years with QSNYL (Med-lite C6). Of the 50 patients, 2 were males; and the rest were females. Skin types treated included phototype IV and V. The response after subsequent treatments was documented through serial photographs that were taken before and after every treatment session. Response to the treatment was graded based on quartile grading scale. Results: Near total improvement was seen in 8%, marked improvement in 22%, moderate improvement in 38% and 32% patients reported less than 25% clearing of the lesion. All patients reported some improvement. Transient postinflammatory hyperpigmentation was observed in 4 (8%) patients, which cleared with use of sunscreens and bleaching agents within 2 months. No textural change or scarring was observed in any patient. Conclusions: QSNYL is an easy-to-perform and effective treatment in cases of nevus of Ota in Indian patients with few side effects.






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