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Sunscreen, makeup, topical corticosteroids, phototherapy [2][3] Frequency. 0.1-2.1% [4] Vitiligo (/ ˌvɪtɪˈlaɪɡoʊ / VIT-il-EYE-goh) is a chronic autoimmune disorder that causes patches of skin to lose pigment or color. [1] The cause of vitiligo is unknown, but it may be related to immune system changes, genetic factors, stress, or sun ...
Actinic keratosis. 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-). [6]
Leukoplakia is a firmly attached white patch on a mucous membrane which is associated with increased risk of cancer. [4][5] The edges of the lesion are typically abrupt and the lesion changes with time. [4][6] Advanced forms may develop red patches. [6] There are generally no other symptoms. [9]
Poliosis. Poliosis circumscripta, commonly referred to as a "white forelock," is a condition characterized by localized patches of white hair due to a reduction or absence of melanin in hair follicles. Although traditionally associated with the scalp, poliosis can affect any hairy area on the body, including eyebrows, eyelashes, and beards.
Lichen sclerosus (LS) is a chronic, inflammatory skin disease, of unknown cause, which can affect any body part of any person, but has a strong preference for the genitals (penis, vulva), and is also known as balanitis xerotica obliterans (BXO) when it affects the penis. Lichen sclerosus is not contagious. There is a well-documented increase of ...
Pityriasis alba. Pityriasis alba. Specialty. Dermatology. Pityriasis alba is a skin condition, a type of dermatitis, [1] commonly seen in children and young adults as dry, fine-scaled, pale patches on the face. It is self-limiting and usually only requires use of moisturizer creams.
Nevus depigmentosus is a loss of pigment in the skin which can be easily differentiated from vitiligo. Although age factor has not much involvement in the nevus depigmentosus but in about 19% of the cases these are noted at birth. Their size may however grow in proportion to growth of the body. The distribution is also fairly stable and are ...
Psoriasis is a long-lasting, noncontagious autoimmune disease characterized by patches of abnormal skin. [4][5] These areas are red, pink, or purple, dry, itchy, and scaly. [8][3] Psoriasis varies in severity from small localized patches to complete body coverage. [3] Injury to the skin can trigger psoriatic skin changes at that spot, which is ...