Skin Cancer is the most common cancer of humans. Its number is rapidly increasing in the United States. There are three basic types of Skin Cancer – Basal Cell Carcinoma, Squamous Cell Carcinoma and Melanoma.
There is a raised, smooth, pearly bump on the skin of the head, neck or shoulders in basal cell carcinoma. Crusting and bleeding in the centre of tumor is sometimes visible. The lesion of Basal cell carcinoma has fleshy color, symmetrical nature and ulceration.
In squamous cell carcinoma, a red thick patch is formed. It crusts and becomes scaly. There is change in size, shape, color of a pre- existing mole in melanoma. It is brown or black in colored, usually not raised from the level of the skin.
Out of the 3 types of skin Cancer, malignant melanoma is the most dangerous one. If not treated in early stage, it can be critical. Skin Cancer is usually caused due to long exposure to sunlight, especially during 10am and 4pm when the sunlight is very intense. It results in direct or indirect DNA damage of cells of the skin.
Smoking tobacco increases the risk of Skin Cancer. Artificial UV exposure in tanning saloons is also associated with skin cancer. Usually there is genetic predisposition of skin being sensitive. Wounds which do not heal for a long time can become cancerous. Recent studies have shown an association between HPV infection and squamous cell carcinoma.
It is very important to avoid all the above mentioned causes if you want to prevent skin cancer. Exposure to sun rays should be totally avoided. Going out between 10 am to 4 pm should be avoided strictly. Generous application of sunscreen, which blocks both UVA and UVB, is important for skin cancer prevention. It should be applied half an hour before stepping out. Also it should be applied again after its time of effectiveness gets over.
Best way to prevent skin damage or skin cancer is to wear protective clothing – long sleeves, hats. Or you should take dark colored umbrella every time you step out. Tobacco smoking should be stopped completely. Proper treatment for wounds should be taken till it heals. Treatment for any skin lesion should be taken from a dermatologist in order to prevent skin cancer.