An epidermal nevus is a benign overgrowth of epidermal cells usually seen at birth or early in childhood. There is usually one or more nevi of varying diameter. Epidermal nevi are classified by the ...

An epidermal nevus is formed of skin cells which proliferate abnormally in a noncancerous way, to produce a benign overgrowth in the outer layer of skin. It is usually present at birth, or is seen in ...

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 ...

Mosaic epidermal nevus syndromes arise from postzygotic mutations that generate lines or patches of affected skin and often involve extracutaneous organs. Activating variants in genes encoding ...

We describe two patients belonging to distinct Cowden disease families each associated with a germline PTEN mutation whose phenotypes mimicked Proteus syndrome. A secondary molecular event in one ...

Lichen striatus is a common entity that may be confused with an epidermal nevus. However, lichen striatus is not present at birth and is associated with spontaneous resolution over time. On histology, ...