Becker Nevus Syndrome

Becker Nevus Syndrome

What is Becker’s nevus syndrome?

Becker’s nevus is a cutaneous hamartoma characterized by circumscribed hyperpigmentation with hypertrichosis. Becker’s nevus syndrome is an association of Becker’s nevus with unilateral breast hypoplasia and muscle, skin, and/or skeletal abnormalities.

How do you cure Becker nevus?

There is no effective treatment for the majority of Becker naevi. However, the dark brown colour is less obvious if the affected area is kept out of the sun so that it doesn’t tan. The excessive hairs can be reduced by repeated treatments with a hair removal laser or by electrolysis.

What causes a Becker’s nevus?

Becker’s nevus is due to overgrowth of the epidermis (upper layer of the skin), pigment cells (melanocytes) and hair follicles. The specific underlying cause is unknown.

How rare is Becker’s nevus?

Prevalence. The most extensive study to date, a 1981 survey of nearly 20,000 French males aged 17 to 26, served to disprove many commonly held beliefs about the disorder. In the French study, 100 subjects were found to have Becker’s nevi, revealing a prevalence of 0.52%.

Can Becker nevus be removed?

Becker’s nevus, in most cases, is too big to be surgically removed. Therefore, different types of laser systems are used to treat both the pigmentation and the hair problems.

Can females get Becker’s nevus?

Clinical presentation. Becker nevus classically appears in adolescence and is more common among males, although young children and females have also been reported.

What is a hairy birthmark called?

A congenital pigmented or melanocytic nevus is a dark-colored, often hairy, patch of skin. It is present at birth or appears in the first year of life. A giant congenital nevus is smaller in infants and children, but it usually continues to grow as the child grows.

Is nevus curable?

Treatment of Nevus of Ota. Nevus of Ota is typically benign, but some people may want to have it removed for cosmetic reasons. There are a variety of treatments available. Experts note that some of these treatments may lead to scarring.

What is a hairy nevus birthmark?

A hairy nevus is a type of birthmark that is a darkly pigmented, hairy patch of skin. Children are born with a hairy nevus (or hairy nevi if there are more than one), which will continue to grow proportionally as the child develops. A hairy nevus is a type of birthmark that is a darkly pigmented, hairy patch of skin.

Can Becker’s nevus become cancerous?

Although most Becker nevi are isolated findings, they have been associated with various skeletal and other abnormalities included under the designation Becker nevus syndrome. Becker nevi do not pursue a malignant course but may become cosmetically problematic.

Is Becker’s nevus harmful?

Becker’s nevus is a benign skin lesion, and malignant transformation, although reported, is rare. Therefore regular surveillance is unnecessary. Because the lesion is benign and typically asymptomatic, no treatment is commonly recommended.

Is Becker’s nevus genetic?

The etiology of Becker’s nevus and Becker’s nevus syndrome has been until now unknown. Cai et al. provide evidence that these disorders are caused by lethal mutations in ACTB, a gene coding for beta-actin.

Can a nevus be cancerous?

While most congenital nevi are harmless, they can occasionally become cancerous. Giant congenital nevi carry the highest risk. Keep in mind that surgery isn’t a guarantee against cancer. Fifty percent of melanomas found in people with giant congenital nevi occur elsewhere on the body.

Are hairy nevus genetic?

This condition is generally not inherited but arises from a mutation in the body’s cells that occurs after conception. This alteration is called a somatic mutation. A somatic mutation in one copy of the NRAS or BRAF gene is sufficient to cause this disorder.

Can you tattoo over Beckers nevus?

While complete resolution of the area is rare, almost everyone treated with this method can expect a significant improvement. Many people chose to get a tattoo over the effected area and shave it periodically. While becker’s nevus is benign it can initially appear very similar to the deadly malignant melanoma.

How common is Becker muscular dystrophy?

The incidence (rate of occurrence of new cases) of Becker muscular dystrophy (BMD) has been estimated to be between 1 in 18,000 and 1 in 30,000 male births.

Are nevus genetic?


The term nevus is derived from a Latin root meaning birthmark, implying that nevi are present at birth. However, despite the root meaning, the majority of nevi are acquired after birth. Interestingly, these acquired nevi share genetic and environmental risk factors with malignant melanoma.

What is another name for a nevus?

(NEE-vus) A benign (not cancer) growth on the skin that is formed by a cluster of melanocytes (cells that make a substance called melanin, which gives color to skin and eyes). A nevus is usually dark and may be raised from the skin. Also called mole.

What does a nevus look like?

A common mole (nevus) is a small growth on the skin that is usually pink, tan, or brown and has a distinct edge. A dysplastic nevus is often large and does not have a round or oval shape or a distinct edge. It may have a mixture of pink, tan, or brown shades.

Can a nevus turn into melanoma?

Can a dysplastic nevus turn into melanoma? Yes, but most dysplastic nevi do not turn into melanoma (1, 3). Most remain stable over time.

How do you get rid of nevus naturally?

Some home remedies that have worked for removing moles are:
  1. Apply a mixture of baking soda and castor oil on the mole.
  2. Apply banana peel over the mole.
  3. Use frankincense oil to remove the mole.
  4. Apply tea tree oil over the area.
  5. Use hydrogen peroxide over the mole.
  6. Apply aloe vera to remove the mole.

What is the difference between a mole and a nevus?

Nevus (plural: nevi) is the medical term for a mole. Nevi are very common. Most people have between 10 and 40. Common nevi are harmless collections of colored cells.

Are moles that grow hair cancerous?

It’s a popular myth that hairy moles are often cancerous, but that’s all it is: a myth. In fact, the presence of a hair growing out of a mole may indicate that the spot is actually healthy and noncancerous.

What is giant hairy nevus?

A giant congenital nevus is a dark-colored, often hairy patch of skin that is present at birth (congenital). It grows proportionally to the child. A congenital pigmented nevus is considered giant if by adulthood it is larger than 20cm (about 8 inches) in diameter.

What causes a baby to be born with black spots?

The spots are flat, gray-blue in color (almost looking like a bruise), and can be small or large. They are caused by some pigment that didn’t make it to the top layer when baby’s skin was being formed. They are harmless and usually fade away by school age.

What is nevus Comedonicus?

Nevus comedonicus is an uncommon skin abnormality first described in 1895 by Kofmann who used the term comedo nevus. It comprises of groups of pits filled with black keratinous plugs resembling blackheads, with inflammatory acne lesions developing later.

What is pigmented hairy epidermal nevus?

The pigmented hairy epidermal nevus (Becker) is a variety of epidermal nevus in which epidermal thickening may be minimal and hairiness and pigmentation obvious.

How common is blue nevus?

Although nearly anyone may develop a blue nevus, they are more likely to appear in females than in males. Blue nevi are also more prevalent in Asian populations. Most blue nevi are benign, but there is a chance that a cellular blue nevus may develop into a form of melanoma. However, this is rare.

What does Stage 1 melanoma look like?

Stage 1A means the: melanoma is less than 1 mm thick. outer layer of skin (epidermis) covering the tumour may or may not look broken under the microscope (ulcerated or not ulcerated)

How do I know if my nevus is cancerous?

Redness or new swelling beyond the border of a mole. Color that spreads from the border of a spot into surrounding skin. Itching, pain, or tenderness in an area that doesn’t go away or goes away then comes back. Changes in the surface of a mole: oozing, scaliness, bleeding, or the appearance of a lump or bump.

Can a nevus be removed?

Small nevi can be removed by simple surgical excision. The nevus is cut out, and the adjacent skin stitched together leaving a small scar. Removal of a large congenital nevus, however, requires replacement of the affected skin.

What causes moles to suddenly appear?

It’s thought to be an interaction of genetic factors and sun damage in most cases. Moles usually emerge in childhood and adolescence, and change in size and color as you grow. New moles commonly appear at times when your hormone levels change, such as during pregnancy.

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