A congenital nevus is a mole that you’re born with. These moles can be large or small, have hair growing out of them, or change over time. Congenital nevus (or nevi) is the medical term for a mole ...

Dysplastic nevi are benign melanocytic tumors containing clonal populations of hyperproliferative melanocytes. Strictly speaking, dysplastic nevus is a histologic diagnosis, characterized by ...

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, ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

A halo nevus is a mole surrounded by a white ring or halo. These moles are almost always benign, meaning they aren’t cancerous. Halo nevi (the plural of nevus) are sometimes called Sutton nevi or ...

Melanocytic nevi, which are benign tumors of melanocytes, may have occasional cosmetic significance but, for the most part, they are important only in relation to melanoma. Nevi are the most important ...

Recurrent nevus phenomenon and regression in melanoma may have overlapping histologic features. The clinical findings and histologic changes in 357 cases of recurrent nevus phenomenon were compared ...

A blue nevus is a benign type of mole. It may appear as a blue lump on the skin. A blue nevus may be present at birth or develop as a person ages. Healthcare professionals refer to more than one blue ...