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Actinic keratosis (AK), sometimes called solar keratosis or senile keratosis, [1] [2] is a pre-cancerous [3] area of thick, scaly, or crusty skin. [ 4 ] [ 5 ] Actinic keratosis is a disorder ( -osis ) of epidermal keratinocytes that is induced by ultraviolet (UV) light exposure ( actin- ).
Neomycin/polymyxin B/bacitracin ointment is reported to be a safe and effective topical agent for preventing infections in minor skin trauma. [3] It is used for burns, scratches, cuts, and minor skin infections. [7] The use of neomycin/polymyxin B/bacitracin, decreases infection rates in minor-contaminated wounds. [8] It is for external use ...
SCC of the skin begins as a small nodule and as it enlarges the center becomes necrotic and sloughs and the nodule turns into an ulcer, and generally are developed from an actinic keratosis. Once keratinocytes begin to grow uncontrollably, they have the potential to become cancerous and produce cutaneous squamous-cell carcinoma. [22]
A study conducted first in mice and then in human volunteers suggests that a common antibiotic, neomycin, which is the main active ingredient in Neosporin, may help protect against viral ...
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]
Actinic cheilitis is cheilitis (lip inflammation) caused by long term sunlight exposure. Essentially it is a burn, [2] and a variant of actinic keratosis which occurs on the lip. [5] It is a premalignant condition, [6] as it can develop into squamous cell carcinoma (a type of mouth cancer).
Keratosis (from kerat-+ -osis) [1] is a growth of keratin on the skin or on mucous membranes stemming from keratinocytes, the prominent cell type in the epidermis. More specifically, it can refer to: actinic keratosis (also known as solar keratosis), a premalignant condition; chronic scar keratosis; hydrocarbon keratosis
A skin tag, or acrochordon (pl.: acrochorda), is a small benign tumor that forms primarily in areas where the skin forms creases (or rubs together), such as the neck, armpit and groin. They may also occur on the face, usually on the eyelids. Though tags up to 13 mm (1 ⁄ 2 inch) long have been seen, [2] they are typically the size of a grain ...
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