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Given the causal relationship between sun exposure and AK growth, they often appear on a background of sun-damaged skin and in areas that are commonly sun-exposed, such as the face, ears, neck, scalp, chest, backs of hands, forearms, or lips. Because sun exposure is rarely limited to a small area, most people who have an AK have more than one. [10]
Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure.
Phytophotodermatitis, also known as berloque dermatitis, [1] [2] [3] margarita photodermatitis, [4] [5] lime disease [6] or lime phytodermatitis [6] is a cutaneous phototoxic inflammatory reaction resulting from contact with a light-sensitizing botanical agent (such as lime juice) followed by exposure to ultraviolet A (UV-A) light (from the sun, for instance).
“By definition, a sunburn is too much skin damage induced by the sun’s ultraviolet rays resulting in redness, peeling, swelling, and even blistering,” says Kenneth Mark, M.D., a cosmetic ...
Best (less expensive) sunscreen for sun-damaged skin Aveeno Protect + Hydrate Sunscreen Moisturizing Face Lotion with Broad Spectrum SPF 60 and Prebiotic Oat, Paraben, Phthalate, Oxybenzone and ...
AC may occur with skin lesions of actinic keratosis or skin cancer elsewhere, particularly on the head and neck [6] since these are the most sun exposed areas. Rarely it may represent a genetic susceptibility to light damage (e.g. xeroderma pigmentosum or actinic prurigo). [2]
Solar purpura is believed to be caused by skin damage due to chronic sun exposure which leads dermal atrophy. As a result of the dermal atrophy, the dermal connective tissue cannot support the microvasculature and the result is extravasation of blood into the dermis. This results in visible purple spots on the skin. [5]
First dilemma in diagnosis is recognition. As lentigo malignas often present on severely sun-damaged skin, it is frequently found amongst numerous pigmented lesions – thin seborrheic keratoses, lentigo senilis, lentigines. It is difficult to distinguish these lesions with the naked eye alone, and even with some difficulty using dermatoscopy ...