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 skin cancer occur without sun exposure?
It can be.” In fact a skin cancer in a hidden part of the body is actually more likely to be a melanoma, which is the most dangerous type of skin cancer. But non-melanoma skin cancers – basal cell and squamous cell cancers – can sometimes occur in non-sun-exposed areas too.
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.
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.
How can you tell if a spot is skin cancer?
Redness or new swelling beyond the border of a mole. Color that spreads from the border of a spot into surrounding skin. Itching, pain, or tenderness in an area that doesn’t go away or goes away then comes back. Changes in the surface of a mole: oozing, scaliness, bleeding, or the appearance of a lump or bump.
What can be mistaken for skin cancer?
Top 5 Conditions Often Mistaken For Skin Cancer
- Psoriasis. Psoriasis is a skin condition that is believed to be related to an immune system problem, which causes T cells to attack healthy skin cells by accident. …
- Seborrheic Keratoses (Benign tumour) …
- Sebaceous hyperplasia. …
- Nevus (mole) …
- Cherry angioma.
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.
Is melanoma always black?
Melanoma often contains shades of brown, black, or tan, but some can be red or pink, such as the one shown here.
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.
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.
Who is most at risk for basal cell carcinoma?
The risk of basal cell carcinoma is higher among people who freckle or burn easily or who have very light skin, red or blond hair, or light-colored eyes. Increasing age. Because basal cell carcinoma often takes decades to develop, the majority of basal cell carcinomas occur in older adults.
What happens if I don’t treat basal cell carcinoma?
Without treatment, a basal cell carcinoma could grow — slowly — to encompass a large area of skin on your body. In addition, basal cell carcinoma has the potential to cause ulcers and permanently damage the skin and surrounding tissues.
Can skin cancer be a flat red spot?
These cancers can appear as: Flat, firm, pale or yellow areas, similar to a scar. Raised reddish patches that might be itchy. Small, pink or red, translucent, shiny, pearly bumps, which might have blue, brown, or black areas.
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.
Can skin cancer look like a scab?
Melanoma, the most dangerous type of skin cancer, may appear as: A change in an existing mole. A small, dark, multicolored spot with irregular borders — either elevated or flat — that may bleed and form a scab. A cluster of shiny, firm, dark bumps.