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Doctor insights on: Causes Of Nevus Of Ota

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What causes a nevus to appear?

What causes a nevus to appear?

Melanocyctes: The cells are already there and grow large enough to become visible. ...Read more

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Dr. Coyle Connolly
1,062 doctors shared insights

Moles (Definition)

A mole (also called a nevus) is a localized overgrowth of pigment-producing cells (melanocytes) in the skin. Most moles are benign. However, these cells can become cancerous. This is known as melanoma, ...Read more


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What causes a blue nevus?

Unknown: Blue nevus is something that just pops up. Sun has been implicated, however for the most part they are benign. If you are concerned - please see your dermatologist or plastic surgeon. ...Read more

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What causes moles?

What causes moles?

They are natural: Moles, "nevi", also called "beauty marks" are pigmented skin growths that usually appear at a very young age but can become more apparent with further growth. The vast majority are totally benign and don't require treatment. Rarely, if a mole changes suddenly, consult with a dermatologist for possible biopsy as abnormal cells may be present. ...Read more

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What causes Moles?

What causes Moles?

Mole causes: Nevi or "moles" are caused by abnormal proliferation of skin cells. This is technically a neoplasm, but is of the benign variety. Most appear in the first thirty years of life and can have a hereditary component. ...Read more

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Curious what is the cause of moles?

Don't know: We really don't don't know why people have a few or many moles. Genetics must play a very important role. Heavy sunexposure induces some in light-skin-colored people.. ...Read more

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What are the causes of darkening moles?

What are the causes of darkening moles?

Get it evaluated: If a mole changes color, it must be evaluated and probably removed. Color changes may indicate a melanoma. See a dermatologist now. ...Read more

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Can pollution cause people to grow moles on their body?

Can pollution cause people to grow moles on their body?

Sun Exposure: In genetically predisposed individuals, sun exposure will increase the number and size of moles. Air pollution can cause other problems including exacerbation of asthma. ...Read more