What is a linear epidermal nevus?

Inflammatory linear verrucous epidermal nevus (ILVEN) is a type of skin overgrowth, called epidermal nevus. It is characterized by skin colored, brown, or reddish, wart-like papules (nevi). The nevi join to form patches or plaques that often follow a pattern on the skin known as the “lines of Blaschko”.

What causes linear epidermal nevus?

Most epidermal nevus syndromes are thought to be caused by a gene mutation that occurs after fertilization of the embryo (postzygotic mutation), at an early stage of embryonic development. Affected individuals have some cells with a normal copy of this gene and some cells with the abnormal gene (mosaic pattern).

How do you treat linear epidermis nevus?

ILVEN (Inflammatory Linear Verrucous Epidermal Nevus) Treatment of the itching consists of steroid creams or antihistamines (like Benadryl), but often these only help a little. The only treatment available to remove these lesions is surgery.

Is epidermal nevus a mole?

Description. An epidermal nevus (plural: nevi) is an abnormal, noncancerous (benign) patch of skin caused by an overgrowth of cells in the outermost layer of skin (epidermis ). Epidermal nevi are typically seen at birth or develop in early childhood. Affected individuals have one or more nevi that vary in size.

What is linear epidermal nevus?

What is Linear Epidermal Nevus? This is a type of birthmark that is usually present at birth, but may develop later in childhood. They are usually light or dark brown in color. They may start as a flat area in the shape of a line or as a “skin tag.” Over time, they grow and become thicker like a wart. They can be located anywhere on the body.

What is squamous cell carcinoma epidermal nevus?

Basal Cell Carcinoma Dermatologic Disease Database Squamous Cell Carcinoma Epidermal nevus is benign skin growth that is often present at birth or within the first year of life. Rarely, it can develop later in childhood or adulthood. It typically appears as one or more oblong or linear growths that are skin colored, brown or gray in color.

What is the prevalence of epidermal nevus?

Common locations for epidermal nevi include the trunk, limbs and neck. Epidermal nevi are seen in 1 in 1000 live births and typically occur sporadically, although some familial cases have been noted. The prevalence of epidermal nevus is equal in males and females.

What is epidermal nevus and how is it treated?

This is a type of epidermal nevus which is more red and scaly. These lesions tend to be very itchy. Treatment of the itching consists of steroid creams or antihistamines (like Benadryl), but often these only help a little. The only treatment available to remove these lesions is surgery.