Can skin cancer occur in areas not exposed to sun?

Skin cancer — the abnormal growth of skin cells — most often develops on skin exposed to the sun. But this common form of cancer can also occur on areas of your skin not ordinarily exposed to sunlight.

Can you get skin cancer in places that don’t see the sun?

Melanoma occurs when the pigment-producing cells (cells that give color to the skin) become cancerous. Melanoma can appear anywhere on the body, even in locations that are not heavily exposed to the sun, such as the bottom of the hands and feet and even under the nails.

Can you get melanoma in areas not exposed to the sun?

Melanomas can also develop in areas of your body that have little or no exposure to the sun, such as the spaces between your toes and on your palms, soles, scalp or genitals. These are sometimes referred to as hidden melanomas because they occur in places most people wouldn’t think to check.

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Can you have basal cell carcinoma without sun?

Basal cell carcinoma (BCC), a common malignancy, arises most often in sun-exposed areas but does rarely occur in non-sun-exposed sites. Prior tissue injury, especially sharp trauma and chronic inflammation, increases the risk of BCC.

Does melanoma appear in an existing spot or as a new spot?

A review of published research reveals that melanoma, the deadliest form of skin cancer, most often develops as new spots and not from existing moles. Skin doctors say that the finding underscores the need to regularly check the skin for new growths and changes.

What else causes skin cancer besides the sun?

Common causes of non-melanoma skin cancer besides prolonged sun exposure and frequent sunburns

  • Rare inherited genetic skin disorders such as Gorlin syndrome.
  • A history of fragile skin.
  • Age over 50.
  • Use of tanning beds.
  • Fair complexion or freckles.
  • Precancerous skin conditions such as actinic keratosis.

What does 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.

Are all cancers carcinomas?

Not all cancers are carcinoma. Other types of cancer that aren’t carcinomas invade the body in different ways. Those cancers begin in other types of tissue, such as: Bone.

Are skin cancers painful?

Skin cancers often don’t cause bothersome symptoms until they have grown quite large. Then they may itch, bleed, or even hurt. But typically they can be seen or felt long before they reach this point.

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Can you pick off a basal cell carcinoma?

Yes, you might be able to pick this crusty lesion off with your fingers. But it would grow back. The right thing to do is see a dermatologist and have it removed.

Does melanoma occur only on exposed skin?

Melanoma signs and symptoms

In both men and women, melanoma can occur on skin that hasn’t been exposed to the sun. Melanoma can affect people of any skin tone. In people with darker skin tones, melanoma tends to occur on the palms or soles, or under the fingernails or toenails.

Where does basal cell carcinoma usually occur?

Basal cell carcinoma often appears as a slightly transparent bump on the skin, though it can take other forms. Basal cell carcinoma occurs most often on areas of the skin that are exposed to the sun, such as your head and neck.

Is melanoma 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.

When should I be worried about skin spots?

See a board-certified dermatologist if you spot anything changing, itching, or bleeding on your skin. New, rapidly growing moles, or moles that itch, bleed, or change color are often early warning signs of melanoma and should be examined by a dermatologist.

What do melanoma spots 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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