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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.
Alopecia areata, also known as spot baldness, is a condition in which hair is lost from some or all areas of the body. [ 12 ] [ 1 ] It often results in a few bald spots on the scalp, each about the size of a coin. [ 7 ]
Pseudofolliculitis barbae is a disorder occurring when hair curves back into the skin and causes inflammation. Eosinophilic folliculitis may appear in persons with impaired immune systems. Folliculitis decalvans or tufted folliculitis usually affects the scalp. Several hairs arise from the same hair follicle. Scarring and permanent hair loss ...
On the scalp, the effect may be a white patch of hair . Patches smaller than 3mm are known as "confetti" skin lesions. [11] Facial angiofibromas are present in about 75% of people with TSC. [11] These are a rash of reddish spots or bumps on the nose and cheeks in a butterfly distribution, which consist of blood vessels and fibrous tissue. This ...
Keratosis pilaris (KP; also follicular keratosis, lichen pilaris, or colloquially chicken skin. [1]) is a common, autosomal-dominant, genetic condition of the skin's hair follicles characterized by the appearance of possibly itchy, small, gooseflesh-like bumps, with varying degrees of reddening or inflammation. [2]
Melasma affects up to 33 percent of men and women. Read on to learn what causes the chronic skin condition and what you can do to keep it at bay.
As with squamous cell cancer, sporadic cases have been found co-infected with the human papilloma virus (HPV). [4] [12] Although HPV has been suggested as a causal factor, it is unproven. [2] Many new treatments for melanoma are also known to increase the rate of keratoacanthoma, such as the BRAF inhibitor medications vemurafenib and dabrafenib ...
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