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Symptoms of skin cancer

Symptoms of skin cancer

Symptoms of skin cancer
Symptoms of skin cancer

Skin cancer The skin consists of a number of layers that perform different functions.
These layers of the epidermis, the upper layer of the skin, protect the inner part of the body from the external environment. 
The skin consists of many cells such as squamous cells, Squamous cells located below the outer surface of the skin, Basal cells located below the squamous cell layer. 

They include the production of new skin cells Melanocytes, which are located in the basal cell layer of the skin, produce melanin, The subcutaneous layer is Dermis, the middle layer of the skin, composed of collagen, elastin, hair follicles, sebaceous glands, nerves, and blood vessels.

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Subcutaneous tissue consists of fat, connective tissue, and large blood vessels Skin cancer is one of the most common types of cancer, and is divided into various types, including squamous cell carcinoma, basal cell carcinoma, melanoma, Cancer types Less common, and skin cancer may occur as a result of the transfer of cancer cells from other tissues of the body, such as cancer cells caused by breast cancer, colon, or lungs




Symptoms of skin cancer 

Symptoms of skin cancer begin to appear in areas that are prone to sun rays, such as the scalp, face, lips, ears, neck, arms and legs, as well as the possibility of skin cancer symptoms in other areas of skin. Skin cancer can affect all People with different skin colors, including dark skin, can say that the symptoms of skin cancer depend primarily on the type of skin cancer experienced by the person, and here are some of the symptoms of skin cancer based on the type of cancer:

1-Basal cell carcinoma:

This type of skin cancer affects the cells exposed to the sun, such as the neck and face. Symptoms associated with this type of cancer include the appearance of colored pores in the color of pearls or the color of wax, and the appearance of flat scars in skin color or brown Similar to lesions.

2-Squamous cell carcinoma: 

This type of cancer affects the areas of the sun as well. The chance of this type of cancer in some areas of the skin that is not exposed to sunlight is higher in people with dark skin , And symptoms that may accompany this type of cancer emergence of solid and red, and flat lesions with a scaly surface.

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3-Melanoma:

Can develop from moles, or other areas of the skin,
whether exposed to sun rays or areas that are not exposed to sunlight. Symptoms of this type of cancer appear more in the face and trunk in men, and at the bottom of the legs in women, it is worth saying that people with dark skin usually show symptoms on the palm of the hands, or the soles of the feet, or under the fingernails of the hands or feet, and symptoms that may Indications of the incidence of this type of cancer, we mention the following:

- Large brown spots appear with dark dots. 
- Moles that change color, size, or bleed. 
- Small lesions with irregular borders, containing some red, white, blue, or blue-black parts. 
- Dark lesions appear on the palms, soles, fingers, toes, or mucous lining of the mouth, nose, vagina, or anus.

4-Kaposi sarcoma :

This type of skin cancer is rare, mainly affecting people with weakened immune systems, such as AIDS patients, people who take immunosuppressive drugs for organ transplantation or other conditions. Which require the use of these drugs, and develops this type of cancer in blood vessels in the skin and cause the appearance of red spots, or purple, on the skin, or mucous membranes.

5-Merkel cell carcinoma: 

This type of cancer is made of solid nodules, shiny subcutaneous, and in hair follicles.


6-Sebaceous cancer: 

Sebaceous gland carcinoma This type of cancer occurs in the oily glands of the skin. It appears as solid, non-painful nodules. Eyelid area is the most common area of ​​these nodules.