The term "epidermal nevus syndrome" (ENS) is used for any of the various clinical entities which are distinctive in terms of their signs and symptoms, histopathology, and genetic composition. In most ...

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

Becker nevus syndrome, or hairy epidermal nevus syndrome, was first described by Happle in 1949, as an association of Becker nevus with breast hypoplasia on one side of the body, and ipsilateral ...

Although a diagnosis can usually be made without further investigation, other congenital melanocytic nevi can present in similar locations. A café-au-lait patch can present on the face, but its ...

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, ...

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 ...

An epidermal nevus is considered a hamartoma of the epidermis and papillary dermis. The two forms of epidermal nevus are the nonorganoid and the organoid versions. The latter consists of nevus ...

Eye freckles, or ocular nevi, are pigmented spots that appear in or on the eye, similar to a mole on the skin. They are usually harmless and do not cause symptoms or affect vision. Noticing a spot on ...