Skin cancer is an abnormal growth of skin cells. It most often develops on areas of the skin exposed to the sun’s rays. Skin cancer affects people of all colors and races, although those with light skin who sunburn easily have a higher risk.
Basal cell carcinoma
About 75% of skin cancers are basal cell carcinoma, or BCC. Usually, BCCs are very slow-growing and don’t spread to other parts of the body. If they are treated early, most BCCs are completely cured.
Melanoma can grow very quickly. It can become life-threatening in as little as six weeks and if untreated, it can spread to other parts of the body. It can appear on skin not normally exposed to the sun. It is usually flat with an uneven smudgy outline.It may be blotchy and more than one colour – brown, black, blue, red or grey.
Squamous cell carcinoma (SCC)
SCC is the second most common type of skin cancer.People who have light skin are most likely to develop SCC, yet they can develop in darker-skinned people.SCC often looks like a red firm bump, scaly patch, or a sore that heals and then re-opens.
SCC tend to form on skin that gets frequent sun exposure, such as the rim of the ear, face, neck, arms, chest, and back. SCC can grow deep in the skin and cause damage and disfigurement. Early diagnosis and treatment can prevent this and stop SCC from spreading to other areas of the body.
Actinic Keratoses (AK)
These dry, scaly patches or spots are precancerous growths.People who get AKs usually have fair skin.Most people see their first AKs after 40 years of age because AKs tend to develop after years of sun exposure.AKs usually form on the skin that gets lots of sun exposure, such as the head, neck, hands, and forearms.Because an AK can progress to a type of skin cancer called squamous cell carcinoma (SCC), treatment is important