Facts on File Encyclopedia of Health and Medicine

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bumps on the SKINthat resemble GOOSE BUMPS. The
bumps may be the same color as the skin or
slightly reddened and create a texture like rough
sandpaper on the skin’s surface. Occasionally the
bumps itch. Keratosis pilaris most often affects the
lower arms and inner thighs, though can occur
anywhere on the body, and is most common
among adolescents. Researchers have implicated
number of gene mutations for keratosis pilaris.
The eruption and pattern of bumps present a
fairly conclusive diagnostic picture. A biopsy can


confirm any questionable presentations. Treat-
ment typically consists of measures to increase
exfoliation, which clears accumulated cells from
the hair follicles. Topical products containing
alphahydroxy acids such as lactic acid are often
helpful. The dermatologist may prescribe a topical
retinoid medication to treat resistant symptoms.
Keratosis pilaris becomes increasingly uncommon
with age and generally resolves by the early 20s.
See also ACNE; DERMATITIS; ICHTHYOSIS; KERATO-
CYTE; MUTATION; PITYRIASIS ROSACEA.

keratosis pilaris 171
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