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Doctor insights on: What Causes A Nevus To Appear

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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
1,109 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 would cause a freckle to be shiny in appearance?

What would cause a freckle to be shiny in appearance?

Oily skin?: If the freckle has changed in appearance, then have it looked at by a dermatologist. If it is simply shiny at times, you may have oily skin at he freckle site. ...Read more

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What causes a mole to itch?

What causes a mole to itch?

Itchy mole: Dryness, trauma, healing from trauma, infection, etc. ...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 exactly causes a skin pigmentation disorder?

What exactly causes a skin pigmentation disorder?

Various: Skin pigmentation can be affected by heriditary disorders, drugs, infections, inflammation, sun exposure, skin cancers, immune diseases or even tumors of internal organs. You are probably referring to vitiligo, which is essentially a auto-immune condition or to albinism, which is genetic. ...Read more

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What could cause a pigmentation in sclera?

What could cause a pigmentation in sclera?

Osteogenesis imperfe: This classic finding in osteogenesis imperfecta is due to thin connective tissue in the sclera. However, children may have slightly blue tinted sclera without having oi. ...Read more

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Please tell me can halo nevus be a sign of skin cancer?

Please tell me can halo nevus be a sign of skin cancer?

Not generally: A halo nevus is a benign pigmented spot that has a pale ring around it. Usually this a sign that your immune system is attacking the pigment cells and the nevus may actually disappear. It is not typically a bad sign, but it is often considered for biopsy because a changing mole may suggest that it is transforming from totally benign to premalignant. ...Read more

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What causes a blister to appear on your hand?

What causes a blister to appear on your hand?

There are many: causes from burns, to dyshidrosis to genetic disorders. See dermatologist for diagnosis and treatment ...Read more

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What would cause a todder's eyelashes to turn grey or white?

What would cause a todder's eyelashes to turn grey or white?

Inflammation: The white lashes may be congenital or hereditary, but the child should be examined for inflammation in the eyes to rule out vkh(vogt, koynagi harada's disease). ...Read more

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What are the causes of a sclera to turn black?

What are the causes of a sclera to turn black?

Abnormal: The most dangerous thing would be melanoma. This deadly cancer can cause the sclera to turn black. ...Read more

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How does a skin doctor determine whether a mole is benign or malignant?

How does a skin doctor determine whether a mole is benign or malignant?

Pigmented lesions: Key features that suggest a need for excision or biopsy of a pigmented lesion are 1)irregular vs. smooth margins, 2) variation in pigmentation; 3) any asymmetry; and 4) change in appearance/ or size. The appearance is only one key factor however. The patient history or family history, amountof sun damage and other factors may also influence the urgency for biopsy. ...Read more

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Can anyone tell me what causes freckles? Is it a skin condition?

Can anyone tell me what causes freckles? Is it a skin condition?

I like freckles.: Melanocytes produce melanin when exposed to UV-B radiation. There is nothing unhealthy or wrong with freckles ...Read more

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What causes a cataract to grow?

What causes a cataract to grow?

Aging and...: The biggest factor is aging, but ultraviolet light (sunlight, tanning boothes) and smoking are big factors as well. Some medical diseases such as diabetes, and some medications, such as steroids can also lead to increasing cataracts. More info: cataract surgery michigan. ...Read more

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What cause a person tounge to get white or cream in apperance

What cause a person tounge to get white or cream in apperance

White tongue: Sometimes the presence of a white layer on the tongue could be indicative of fungus infection. You should definitely get that checked. ...Read more

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What causes a blue freckle/sunspot?

Blue freckle?: Personally, I have never heard of a blue freckle. Sun spots and other actinic damage are caused by the sun and exposure to uv radiation. ...Read more

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What can cause a wound to suddenly look black?

What can cause a wound to suddenly look black?

Natural Process: As injured skin heals, the body creates inflammation to do so which means fresh blood goes to the area and with it, many kinds of healing factors and cells. One type is called melanocytes which carry our skin pigment melanin. A healing occurs, these cells get deposited int he area and give it the darkish coloration you see. Over time, there will be some fading as the injury matures. ...Read more

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