What are the symptoms of nevus canceration?

summary

The long nevus on the skin is no stranger to everyone. Many people may have large or small moles on their skin. For nevus, some people worry that it will become cancer. Is mole also the precursor of cancer? If you have cancer, what are the symptoms? In fact, not all nevus are the precursor of cancer, but some nevus have been noticed, which may be malignant. Let's look at the symptoms of nevus precancerous.

What are the symptoms of nevus canceration?

If there is no discomfort with the usual black sputum, sudden symptoms of pain or itching may be a warning sign of skin cancer. In general, not only melanoma but also skin cancer, especially basal cell carcinoma and squamous cell carcinoma, the most common symptom is pruritus.

The color and area of black nevus changed. Usually, moles are harmless. Some nevi may have abnormalities in body organs. If there is a possibility of deterioration, darkening of the nevus, or regional changes, it is necessary to pay attention to it. Malignant transformation may occur. Check the diagnosis process in time.

We should pay attention to the following aspects when we are on guard against the malignant transformation of nevus: nevus, i.e. the recent appearance of adult, has increased significantly, the color is obviously dark and bright, the color changes from brown to black, or from brown to black, brown intersection, the edge of nevus appears irregular or satellite shape, or the surface is uneven, local pain, itching and burning sensation, The black cockroach suddenly appeared dislocation or the black sputum pigment disappeared, there were ulcers or bleeding on the surface, and the lymph nodes near the sputum were swollen. These should be treated in time, which may be the precursor of malignant transformation of nevus.

matters needing attention

To prevent the occurrence of skin cancer, the first thing is to avoid long-term contact with harmful chemicals such as asphalt, tar, arsenide, benzopyrene, etc. in daily life and work. These chemicals have strong carcinogenicity. Second, prevent long-term skin exposure. Third, pay attention to ionizing radiation, which is mainly for radiation workers, The fourth point is that patients with actinic keratosis, xeroderma pigmentosum and other precancerous lesions should be treated as soon as possible, so as to strangle skin cancer in the bud. Finally, we should strengthen physical exercise and improve physical fitness.