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Hypertrichosis itself is benign, but presents a cosmetic issue that may lead to psychosocial problems. [ 5 ] [ 7 ] As the child grows up, the hair growth may resume, increase, or decrease. [ 8 ] However, overall growth patterns and progression may vary based on the classification of hypertrichosis, as well as its association with other disorders.
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.
Hyperpigmentation can be diffuse or focal, affecting such areas as the face and the back of the hands. Melanin is produced by melanocytes at the lower layer of the epidermis. Melanin is a class of pigment responsible for producing color in the body in places such as the eyes, skin, and hair.
Hypertrichosis (better known as Werewolf Syndrome) is an abnormal amount of hair growth over the body. [1] [2] The two distinct types of hypertrichosis are generalized hypertrichosis, which occurs over the entire body, and localized hypertrichosis, which is restricted to a certain area. [1]
Camp says it can be a cause for scalp scabs, and it also causes “flaky, pink patches on the scalp, eyebrows, ears, around the nose, and beard area.” Other symptoms include itchiness, rash, and ...
Associated problems can include delayed development, intellectual disability, seizures and other neurological problems. Most males with the disease do not survive to childbirth. Incontinentia pigmenti is caused by a mutation in the IKBKG gene, which encodes the NEMO protein, which serves to protect cells against TNF-alpha -induced apoptosis .
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The most common color is blue, although they can be blue-gray, blue-black or even deep brown. The Mongolian spot is a congenital developmental condition exclusively involving the skin. The blue colour is caused by melanocytes, melanin-containing cells, that are deep under the skin. [6]