acne


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acne

a chronic skin disease common in adolescence, involving inflammation of the sebaceous glands and characterized by pustules on the face, neck, and upper trunk
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

acne

[′ak·nē]
(medicine)
A pleomorphic, inflammatory skin disease involving sebaceous follicles of the face, back, and chest and characterized by blackheads, whiteheads, papules, pustules, and nodules.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Acne

the name used to designate various skin eruptions that are often associated with functional disturbances of the sebaceous glands. There are several types of acne.

Common acne occurs during adolescence, usually on the face, chest, and back. It appears in the form of pink papules that may attain the size of a pea; these papules sometimes develop sebaceous plugs, or comedones, which often suppurate. The causes of common acne include hormonal changes, infections, and hereditary predisposition.

Rosacea is a type of acne that is most common in women over 40. It is marked by dilation of the capillaries of the facial skin (telangiectasis) and by the development of red papules that sometimes suppurate.

Some types of acne are caused by exposure to certain substances or by the use of some medicines. They include petroleum acne, which results from contact with petroleum products, and halogen acne, caused by the use of preparations of such halogens as bromine and iodine. Acne may also result from the use of hormonal preparations.

Acne is treated externally with suspensions, ointments, and the application of alcohol. General treatment includes physical therapy and the administration of vitamins, antibiotics, and hormones.

REFERENCE

Kozhnye i venericheskie bolezni, 3rd ed. Moscow, 1975. Pages 236–38,242–44.

A. S. RABEN

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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