Brown and blue mole

The brown and blue nevus of the eye area was first reported by Dr. Ota in 1938, so it is also known as "Ota nevus, which is caused by genetic or some intra-natal causes of abnormal skin melanocyte differentiation, causing facial trigeminal nerves (mainly the first and second (Branches) distribution area of ​​the skin, and often spread to pigmented lesions of sclera and other tissues. Clinically, it is characterized by brown cyan plaques or patches around the eye and facial skin, so it is also known as epiphyseal cyanotic nevus and dermal melanocytes. Hyperplasia. Pigmentation cannot resolve on its own, and laser is currently a better method for treating Ota mole.

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