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Specialty. Dermatology. 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 ]
Prepubertal hypertrichosis, also known as childhood hypertrichosis, is a cutaneous condition characterized by increased hair growth, found in otherwise healthy infants and children. [1][2] Prepubertal hypertrichosis is a cosmetic condition and does not affect any other health aspect. Individuals with this condition may suffer with low self ...
Erythema toxicum neonatorum is a common, non-threatening rash in newborns. [1][2] It appears in 4-70% of newborns within the first week of life, and it typically improves within 1–2 weeks. [2][3][4] It only occurs during the newborn period, but may appear slightly later in premature babies. [2][5] The rash has a variable appearance.
Hypertrichosis 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] Hypertrichosis can be either congenital (present at birth) or acquired later in life.
Miliaria. Miliaria, commonly known as heat rash, sweat rash, or prickly heat, [1] is a skin disease marked by small, itchy rashes due to sweat trapped under the skin by clogged sweat-gland ducts. Miliaria is a common ailment in hot and humid conditions, such as in the tropics and during the summer. [2] Although it affects people of all ages, it ...
A trichilemmal cyst (or pilar cyst) is a common cyst that forms from a hair follicle, most often on the scalp, and is smooth, mobile, and filled with keratin, a protein component found in hair, nails, skin, and horns. Trichilemmal cysts are clinically and histologically distinct from trichilemmal horns, hard tissue that is much rarer and not ...
A milium (pl.: milia), also called a milk spot or an oil seed, [1] is a clog of the eccrine sweat gland. It is a keratin -filled cyst that may appear just under the epidermis or on the roof of the mouth. [2][3]: 780 Milia are commonly associated with newborn babies, but may appear on people of any age. [4]: 680 They are usually found around the ...
Maculopapular rash. A maculopapular rash is a type of rash characterized by a flat, red area on the skin that is covered with small confluent bumps. It may only appear red in lighter-skinned people. The term "maculopapular" is a compound: macules are small, flat discolored spots on the surface of the skin; and papules are small, raised bumps.