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Actinic keratoses (also called solar keratoses) are dry, scaly patches of skin that have been damaged by the sun. It's not usually serious, but there's a small chance the patches could become skin cancer.
24 cze 2023 · Sometimes, actinic keratosis may develop into a type of skin cancer called squamous cell carcinoma. Because there's no way to tell if one of these patches will become cancer, all actinic keratoses need treatment.
30 lis 2023 · Too much ultraviolet (UV) radiation from the sun can damage DNA in your skin cells and cause skin cancer. In the UK almost 9 in 10 cases of melanoma skin cancer could be prevented by staying safe in the sun and avoiding sunbeds.
18 wrz 2023 · Understanding UV strength. How Does the Sun Change My Skin? Exposure to the sun causes: Pre-cancerous (actinic keratosis) and cancerous (basal cell carcinoma, squamous cell carcinoma and...
UV radiation damages DNA in your skin cells, which can accumulate over time and increase the risk of genetic mutations that cause skin cancer. The more often you get burnt, the more damage is done and the higher the risk of skin cancer. It’s also important to know that you don’t necessarily need to get a sunburn for UV rays to damage your cells.
Solar radiationsolar radiation encompassesradiation a broad range of wavelengths of photon energy in the electromagnetic spectrum, including ionizing radiation, ultraviolet (UV) radiationultraviolet radiation, visible lightsunlight, and infrared radiation (Fig. 2.4.1). UV radiation is conventionally classified into three types: UVA (wavelengths of 315–400 nm), UVB (280–315 nm), and UVC ...
When the sun prematurely ages the skin, this is called photoaging, and this can lead to skin cancer. Dermatologists refer to the damage the sun does to skin by several names, including photoaging, photodamage, solar damage, or sun damage.
