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Doctor insights on: What Percentage Of Moles Are Usually Cancerous

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Dr. Barry Rosen
4,344 Doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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Are all large moles cancerous?

Are all large moles cancerous?

No: However, recommend annual head to toe evaluation of skin & nails to insure that no skin lesions appear to be consistent with malignancy. ...Read more

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What do cancerous moles look like?

What do cancerous moles look like?

Changing mole: It can be hard to tell sometimes but for the lay person, any mole that is changing color, character, bleeds, gets darker, gets irregular or has symptoms, should be examined by a physician knowlegeable about such lesions. A dermatologist is a specialist in this area. If you are even in doubt, get it checked out. Google warning signs of skin cancers. ...Read more

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What are the signs of cancerous moles?

What are the signs of cancerous moles?

I agree: If there is a concern see your physician. A general surgeon or plastic surgeon may also be an alternative source. ...Read more

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What are black moles and are they cancerous?

What are black moles and are they cancerous?

ABCD's: Remember your abcd's when thinking of melanoma. Look for moles with
asymmetry
boarders that are irregular
color differences within the same mole
diameter greater than 6mm

also any new mole or old that starts to itch, bleed or ulcerate should be of concern. Another rule is the ugly duckling rule. Which refers to a mole that looks distantly different from the others on your body. ...Read more

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What are the chances of having cancerous moles?

What are the chances of having cancerous moles?

Depends on the mole: While moles are generally benign, or non-cancerous, there are some that can contain cancer. One class of mole, called congenital giant nevus, is very large and dark and can become a melanoma. Typical moles are very unlikely to be cancerous, but any concerning lesion should be evaluated by a physician. ...Read more

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Are moles with irregular borders always cancerous?

Are moles with irregular borders always cancerous?

Follow-up: Moles should be photographed and followed by a dermatologist. Irregular borders are not always cancerous. Careful follow-up and observation for redness, ulceration, or pigment spillage are concerning. Please see a dermatologist. ...Read more

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Please answer, are all irregular shaped moles cancerous?

Please answer, are all irregular shaped moles cancerous?

No, not always!: Most primary melanomas have irregular margins (border) but not all irregular moles are cancerous. If the mole has changed in size or share or become irregular recetly, then a biopsy of the mole is advised. Without biopsy we can not be certain about it being cancerous. ...Read more

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Are all moles that change cancerous? I've always had a lot of moles and I'm almost 35... some have changed. None are painful.

Are all moles that change cancerous? I've always had a lot of moles and I'm almost 35... some have changed. None are painful.

Well, since we can't: See your moles - rather than take chances would encourage you to see dermatologist for a head to toe check of your skin. That way - it can be determined if any of your moles appear suspicious or need to be biopsied. Take care. ...Read more

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I have 4 moles with 2 or 3 shades of brown are they more likely to be atypical moles because there are 4 rather than cancerous?

I have 4 moles with 2 or 3 shades of brown are they more likely to be atypical moles because there are 4 rather than cancerous?

It depends on size: Moles which are >4-5 mm in size (bigger than pencil eraser) are often considered abnormal or Atypical. If there is mixture of colors instead of one uniform color, then the moles become suspect for Melanoma. You should show these to your doctor who may consider doing a biopsy if there is suspicion of melanoma. The main warning sign of melanoma to watch for is a changing mole (in color or size) ...Read more

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How does a cancerous mole look?

How does a cancerous mole look?

ABCD: Just remember the abc's.
A- asymmetric or irregular
b- bleeds
c- color changes
d- diameter or size enlargement. ...Read more

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How do you know if a mole is cancerous?

ABCD: I agree that biopsy is the only sure way to tell what it is. Signs to look for on skin lesions are asymmetry, border irregularity, color unevenness, diameter >6 mm. ...Read more

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What does having a cancerous mole mean?

What does having a cancerous mole mean?

Cancer: It needs to be biopsied or completely removed by a physician. It then needs to be checked under the microscope by a pathologist to determine the type of cancer and how deep it invades the skin and underlying tissues. Some skin cancers, especially melanoma, have the ability to spread to distant parts of the body. You need more information from the doctors involved with this case. ...Read more

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What does it mean if my mole is cancerous?

Treatment: Cancerous mole may be cured by surgical resection of a localized lesion. If it has already spread, the patient may need chemotherapy and/or immunotherapy. ...Read more

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How do you tell if you have a cancerous mole?

You can't: But your dermatologist can.
We usually use an abcde guideline: a means asymmetrical lesion, b, border irregularity, c, color changed, d, diameter larger than 6mm and e, elevated lesion.
If all abcde shown on one particular lesion: the "mole" might be bad. ...Read more

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How do you know if you have a cancerous mole?

How do you know if you have a cancerous mole?

By biopsy: AAD Malignant Melanoma screening: ASYMMETRY: 1 half is unlike the other. BORDER: irregular, scalloped or poorly defined. COLOR: varied with shades of tan, brown or black; or white, red or blue. DIAMETER: > 6 mm. EVOLVING: mole /skin lesion looks different from the rest or is changing in size, shape or color. An irregular mole that itches, bleeds or is painful is worrisome for possible cancer. ...Read more

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Is it possible to tell if a mole is cancerous?

Experts can look: And tell, but still biopsy or excise. Appearance, bleeding, color change, depth, expansion radially are all characteristics of melanoma. Some basal cells are pigmented. Why internet? Go see a malignancy astute dermatologist. I would. ...Read more

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What will happen if cancerous mole goes untreated?

Spreads: The rule for all tumors is that if you leave them alone they will grow on you. Melanoma or a malignant mole can rapidly spread to lymph nodes and then disseminate to every known organ in the body. It can produce satellites adjacent to the primary, ulcerate and bleed. In rare instances spontaneous regression is seen probably because of shedding of tumor protein into the skin inducing immunity. ...Read more

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What's a good way to check if my mole is cancerous?

What's a good way to check if my mole is cancerous?

Biopsy: Most doctors can tell a non-cancerous mole from one that might be cancerous. You could look up pictures on the web if you don't want to see your doctor. But if you are really worried show him/her next chance you get. Moles which are rough, increasing in size, or bleed or have areas of different color are suspicious. Smooth round flat stable ones are not very suspicious. ...Read more

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Can you tell if a mole is cancerous by looking at it?

You can't: But an expert can narrow it down fairly well, but still needs to be biopsies or excised if suspicious, . ...Read more

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When should I be concerned about whether a mole is cancerous?

When should I be concerned about whether a mole is cancerous?

Several factors: If the lesion is larger than a pencil eraser, irregular edges, strange or color variations, assymetric, growing size or lesion bleeds. Any of these features then dermatology should see. No sure fire way without a biopsy. ...Read more

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When a mole grows, is it cancerous? Or can it be non cancerous?

When a mole grows, is it cancerous? Or can it be non cancerous?

It can be either: A changing mole raises suspicion that it could be melanoma, yet not all moles which are removed under such a suspicion turn out to be melanoma. The typical yield of melanoma in such biopsies is 1 in 5 turns out to be melanoma. So if a mole grows, you should show it to your doctor or seek opinion from a dermatologist. They may chose to biopsy it there and then or observe closely for some more time. ...Read more

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What happens if I remove a mole at home & that mole was cancerous?

What happens if I remove a mole at home & that mole was cancerous?

Only God knows what: First, you should never do this as you can only complicate your life and make it impossible for your doctor to tell what was this lesion in the first place...It may have been benign or a melanoma...If it was a brown or black mole (red ones are usually benign). If it was a cancer, it may reappear in the same spot or in th nearby areas like skin or lymph nodes draining the skin of this area.
Good luc. ...Read more

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I have an itchy mole on my back, is it cancerous?

I have an itchy mole on my back, is it cancerous?

Get it checked!: We can't know, but one thing for sure is that if you have a changing lesion on your skin, you must get it check out with a pcp, dermatologist or other physician with interest in skin diseases/disorders. Please? Get it checked. ...Read more

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Are all irregular moles on the breasts cancerous?

Are all irregular moles on the breasts cancerous?

No: The vast majority of moles are benign (not cancerous). Nevertheless, you should have any strange looking, growing, discolored, asymmetric or new moles checked by your doctor. ...Read more

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I scraped a mole now its gone what if it had cancer?

I scraped a mole now its gone what if it had cancer?

Grow back: I\just monitor the area and see what happens If it grows back then have it checked by a provider if not you do not need to worry ...Read more

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Can moles be sore yet are not actually cancerous?

Yes: Moles are typically painless. Soreness does not mean cancerous. Yet you need to consult your doctor and get examinations done to be sure that it is not cancerous. ...Read more

Dr. Coyle Connolly
1,103 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


Dr. Coyle Connolly
479 Doctors shared insights

Nevi (Definition)

Nevi ...Read more