What shape are cancerous moles?

Asymmetry: The shape of one half does not match the other half. Border that is irregular: The edges are often ragged, notched, or blurred in outline. The pigment may spread into the surrounding skin. Color that is uneven: Shades of black, brown, and tan may be present.
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Are cancerous moles raised or flat?

The most common type of melanoma usually appears as a flat or barely raised lesion with irregular edges and different colours. Fifty per cent of these melanomas occur in preexisting moles.
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What do suspicious moles look like?

Border that is irregular: The edges of suspicious moles are ragged, notched or blurred in outline, while healthy moles tend to have more even borders. The pigment of the mole may also spread into the surrounding skin. Color that is uneven: The mole may have various colors present, including black, brown and tan.
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Are all moles that change shape cancerous?

No, changing moles do not always equate to skin cancer and most moles are usually harmless. It can be normal for moles to change in number and appearance; some can also disappear over time. For example, hormonal changes during puberty and pregnancy can cause moles to increase in number and become darker.
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What are the 5 warning signs of malignant melanoma?

The "ABCDE" rule is helpful in remembering the warning signs of melanoma:
  • Asymmetry. The shape of one-half of the mole does not match the other.
  • Border. The edges are ragged, notched, uneven, or blurred.
  • Color. Shades of black, brown, and tan may be present. ...
  • Diameter. ...
  • Evolving.
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How do I check if my mole is skin cancer? | NHS



What are the red flags for melanoma?

Talk to your doctor if you notice changes in your skin such as a new growth, a sore that doesn't heal, a change in an old growth, or any of the A-B-C-D-Es of melanoma. A change in your skin is the most common sign of skin cancer. This could be a new growth, a sore that doesn't heal, or a change in a mole.
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What does pre melanoma look like?

Discoloration, often appearing brown, pink, gray, red, yellow, or white. Flat or slightly raised. Hard or wart-like surface. Roughness or scaly skin.
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What does a suspicious cancerous mole look like?

A for Asymmetry: One half of a mole or birthmark does not match the other. B for Border: Edges are irregular, ragged, notched or blurred. C for Color: The color is not uniform and may include shades of brown or black, and even patches of pink, red, white or blue.
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What does a potentially cancerous mole look like?

Border that is irregular: The edges are often ragged, notched, or blurred in outline. The pigment may spread into the surrounding skin. Color that is uneven: Shades of black, brown, and tan may be present. Areas of white, gray, red, pink, or blue may also be seen.
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How can you tell if a mole looks cancerous?

How to Spot Skin Cancer
  1. Asymmetry. One part of a mole or birthmark doesn't match the other.
  2. Border. The edges are irregular, ragged, notched, or blurred.
  3. Color. The color is not the same all over and may include shades of brown or black, sometimes with patches of pink, red, white, or blue.
  4. Diameter. ...
  5. Evolving.
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Can a doctor tell if a mole is cancerous just by looking at it?

A visual check of your skin only finds moles that may be cancer. It can't tell you for sure that you have it. The only way to diagnose the condition is with a test called a biopsy. If your doctor thinks a mole is a problem, they will give you a shot of numbing medicine, then scrape off as much of the mole as possible.
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How do you know if a mole is concerning?

Border – melanomas usually have a notched or ragged border. Colours – melanomas will usually be a mix of 2 or more colours. Diameter – most melanomas are usually larger than 6mm in diameter. Enlargement or elevation – a mole that changes size over time is more likely to be a melanoma.
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When should I start worrying about a mole?

It's important to get a new or existing mole checked out if it: changes shape or looks uneven. changes colour, gets darker or has more than 2 colours. starts itching, crusting, flaking or bleeding.
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Where are most cancerous moles located?

They most often develop in areas that have had exposure to the sun, such as your back, legs, arms and face. Melanomas can also occur in areas that don't receive much sun exposure, such as the soles of your feet, palms of your hands and fingernail beds.
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Are cancerous moles hard or soft?

In advanced melanoma, the texture of the mole may change. The skin on the surface may break down and look scraped. The mole may become hard or lumpy and the surface may ooze or bleed. Sometimes the melanoma is itchy, tender, or painful.
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Do cancerous moles appear suddenly?

Melanomas may appear suddenly and without warning. They are found most frequently on the face and neck, upper back and legs, but can occur anywhere on the body.
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Can moles look weird and not be cancerous?

Also called dysplastic moles, atypical moles may be genetic or caused by damage from sun exposure. About 1 in 10 people develop atypical moles during their lifetime. These moles are not cancerous, and need not be removed if they are not changing.
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What does a Stage 1 melanoma look like?

Stage I melanoma is no more than 1.0 millimeter thick (about the size of a sharpened pencil point), with or without an ulceration (broken skin). There is no evidence that Stage I melanoma has spread to the lymph tissues, lymph nodes, or body organs.
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What does a questionable mole look like?

Multiple colors are a warning sign. While benign moles are usually a single shade of brown, a melanoma may have different shades of brown, tan or black. As it grows, the colors red, white or blue may also appear.
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How long can a cancerous mole go undetected?

Leaving Melanoma Untreated

Warning signs to look for in moles may include itching, bleeding, blurred edges and changes in colour. In as little as 6 weeks melanoma can put your life at risk as it has the ability to grow quickly and spread to other parts of your body including your organs.
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What does a cancerous spot look like?

In most cases, cancerous lumps are red and firm and sometimes turn into ulcers, while cancerous patches are usually flat and scaly. Non-melanoma skin cancer most often develops on areas of skin regularly exposed to the sun, such as the face, ears, hands, shoulders, upper chest and back.
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How do you rule out melanoma?

For melanoma, a biopsy of the suspicious skin area, called a lesion, is the only sure way for the doctor to know if it is cancer. In a biopsy, the doctor takes a small sample of tissue for testing in a laboratory.
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What can be mistaken for melanoma?

Nevus (mole)

Moles, also known as nevi, are one of the most common growths that people find on their skin. Growing mostly in early adulthood these are some of the growths most commonly mistaken for melanomas.
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What size mole is a concern?

If your skin mole is more than eight millimeters in diameter, it has a greater risk of becoming cancerous. Dysplastic Nevi: These moles are larger than a pencil eraser and irregularly shaped. Dysplastic nevi tend to have uneven color with dark brown centers and lighter, uneven edges.
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How long can you have melanoma and not know it?

How long can you have melanoma and not know it? It depends on the type of melanoma. For example, nodular melanoma grows rapidly over a matter of weeks, while a radial melanoma can slowly spread over the span of a decade. Like a cavity, a melanoma may grow for years before producing any significant symptoms.
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