Skin cancer has become one of the great threats of the modern world, as pollution, exposure to ultraviolet rays and even food, are risk factors that can lead to the growth of cancerous cells of the skin. The kind of skin cancer The most common is non-melanoma cancer , Which receives this name because this group of cancerous tumors comprises all types of skin cancer, except malignant melanoma, which is that produced from melanocytes.
Causes of skin cancer
- One of the leading causes of skin cancer Is the frequent exposure to ultraviolet radiation, whose main source is sunlight. People who are exposed to intense sunlight for a long time are at increased risk of developing skin cancer. The level of risk depends on the intensity of the light, the time of exposure, and whether the skin has been protected.
- The use of tanning lamps or booths Is another of the risk factors that can develop skin cancer. These booths are also a source of ultraviolet radiation, so it is proven that they can produce non-melanoma cancer.
- Contact or exposure with chemicals such as arsenic, industrial tar, coal, paraffin and certain types of oils.
- Radiation from radiation therapy.
- Severe skin lesions or inflammations , Such as severe burns, skin covering the area where there was a serious bone infection and / or damaged skin. Inflammatory diseases .
- Genetic factors.
Skin Cancer Warning Signs
Any alterations in the skin such as sores, bumps, imperfections, marks, spots or any unusual changes , Is a warning sign that could be indicating nonmelanoma skin cancer or in its worst case, melanoma.
Non-melanoma skin cancer can give signals with different Marks on the skin . The most important warning signs are the appearance of some type of mass, a spot or bulge that is constantly growing, in a time that can last for months or even 2 years. It can also alert us to an ulcer that does not heal within three months.
Basal cell carcinoma is a slow-growing type of cancer that can be detected by noting areas of red, squamous and flat . It may also appear with small wax areas, bright and translucent to the relief, which may bleed with a minor injury. It may also show areas of blue, brown or black, as well as present some kind of visible irregular blood vessels.
He carcinoma Squamous cell carcinoma accounts for 20% of skin cancers and develops in the upper layers of the epidermis. It can be detected with the appearance of growing bumps, usually of rough surface, or flat like slowly growing reddish skin spots . They often appear in areas such as the face, ears, neck, lips and back of hands.
Kaposi's sarcoma originates in the dermis , But can also start in the internal organs. It usually appears with an area similar to a purple one, but it becomes a tumor.
Signs and Symptoms of Melanoma
The most important sign for melanoma is the appearance of a new mole on the skin or that an existing one changes shape or color. Another important sign is some type of mole that looks different from the rest of skin moles . If any of these are your case, it is best to consult your doctor immediately.
Another common way to detect melanoma is taking into account the ABCDE rule:
- A of Asymmetry: Half of the mole or birthmark does not match the other half.
- B of Edge: Poorly defined, unequal, abnormal edges.
- C Color: The color is not uniform and may include shades of brown or black. Reddish, blue, white or pink spots may also be noticed.
- D Diameter: he lunar Measures more than ¼ inch wide (6 millimeters).
- E of Evolution: The mole is changing shape, size or color.