I. Asymmetry. Moles with asymmetrical shape and non-smooth surface should be noticed.
Second, the edge is rough and sometimes there are cracks, which is just the opposite of a normal mole with smooth edge.
Three, the color is often mixed, especially mixed with brown or ink black, sometimes also mixed with red, white and blue.
Fourth, most of the melanoma is larger than 1/4 centimeter.
The second and third types of skin cancer are basal cell carcinoma and squamous cell carcinoma, and their ****similar symptoms of skin cancer are as follows:
One, the parts exposed to sunlight, such as head, neck, back of the hands, chest, back, and so on, such as sudden growths, which do not go away for a long time, then we should pay attention to it. You should also be alert to the fact that pimples do not go away for a long time.
Two, bleeding condition. These two types of skin cancer will bleed after slight stimulation, while most of the general skin diseases do not have this feature.
Three, crusting condition. If the skin scabs for no reason, especially if the scabs don't disappear for a long time, it should be highly noticed.
Four, for the skin surface is scaly and secretion or surface hard knots or ulcers do not heal to attract attention.
In addition, if the skin appears to be certain unusual phenomena, such as a point of light, shining like a pearl, visible microvascular should also be noted.
Self-checking steps:
One, face the mirror (the same below), the whole body naked, starting from the arms, check the palm, fingers, fingers, forearms, back arm. Then raise your arms, bend your elbows and scrutinize the inside of your arms and joints.
Second, check the front of the body: face, neck, chest, abdomen and pubic mound area and legs.
Third, check the side of the body: hands up, first check the left half, then check the right half.
Four, ask someone to tease the hair with a comb so that you can check the skin of the head for any suspicious areas. If you are a man, you can also feel the hair slowly when it is short.
Fifth, back to the mirror, and then hold a small mirror in the hand to look at the back of the neck, back, buttocks and arms of the local. If it is not convenient, you can ask one of the husband and wife or a close friend to help check.