What is naevus of Otta?

Q: I am 20 years old. On my right cheek, I have black patch of 10 cm. I consulted a dermatologist, and he said it is Naevus of Otta, which can be cured by laser therapy. What is Naevus of Otta? Will laser therapy help me get rid of it? If yes, how many sittings will be required? Are there any side effects of it? What are the precautions that I need to take before and after the treatment?

A:Naevus of Otta is a type of birth mark. Yes, it can be helped by laser resurfacing. Generally, more than five sittings are required depending upon the response. The side effect of the therapy can be pigmentation of skin. Temporary restriction is avoiding direct sunlight.