Daily exposure to the sun can cause skin cancer

Understanding the causes of skin cancer is of definite significance for the diagnosis and classification of skin cancer, and it is easy to operate. So, what are the common causes of skin cancer? With this question, we asked experts to give you a detailed answer to the causes of skin cancer .

Common causes of skin cancer include:

1. Chemical carcinogens: Workers who are frequently exposed to arsenic, tar and asphalt are prone to skin cancer. Chemical carcinogens can be divided into two periods, the initial period and the promotion period. The initial period to the induced results are closely related to the exposure limit of special substances or carcinogens, and its progress is irreversible. Cell changes are related to genetics. The promotion period requires repeated exposure to the contact material, which is related to the interval time. If there is no exposure for a long time, it can still be reversed and no cancer will occur. The interval between the initial period and the promotion period is very important, and there can be two results, that is, the cause of skin cancer is formed or not formed.

2. Daily exposure to the sun and ultraviolet radiation: There is sufficient evidence to support the interaction between ultraviolet radiation, human melanin protection and immune system function leading to the occurrence of skin cancer. The carcinogenic mechanism of ultraviolet rays may be that the photochemical effect changes the structure of cell DNA, while destroying the active antigen structure on the surface of lymphocytes, reducing the body's immune function, and leading to the occurrence of skin cancer with the participation of other cancer-promoting factors.

3. Ionizing radiation: In the past, radiation workers neglected protective measures, which led to radiation-induced dry skin. In recent years, due to the improvement of radiation equipment and the advancement of radiation technology, some patients who received radiotherapy still develop skin cancer in the radiation field after several years.

4. Chronic irritation and inflammation are also causes of skin cancer : Malignant skin tumors can occur and develop in scars, chronic ulcers, fistulas, and sinus tracts. Some Asian people are addicted to chewing tobacco or betel nuts, so squamous cell carcinoma is prone to occur in the mouth or lips, leading to the cause of skin cancer.

A low immune system may be the cause of skin cancer. The above is an introduction to the causes of skin cancer. If you have any questions about the causes of skin cancer, please consult our online experts, who will answer them in detail.

For more information, please visit the skin cancer special page at http://www..com.cn/zhongliu/pfa/ or consult an expert for free. The expert will then give a detailed answer based on the patient's specific situation.