Nevus of Ota, or nevus fuscoceruleus ophthalmomaxillaris, is a dermal melanocytic hamartoma that presents as bluish hyperpigmentation along the first or second branches of the trigeminal nerve.

Melanocytes describe a specialized type of cell that generates a substance called melanin, a pigment responsible for skin and eye color. When several melanocytes cluster together, they form a benign, ...

The dysplastic nevus initially was described in the 1980s as a mole with increased risk of developing melanoma and requiring total removal. However, dermatopathologists now consider dysplastic nevi to ...