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Inflammation of sweat glands.
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 It might be outdated or ideologically biased.



a suppurative inflammation of the sweat glands. It is caused by staphylococcus and usually develops in the armpits, but it is seen more rarely around the nipples, sexual organs (in females), and the skin of the scrotum and anus.

A weakening of the organism, excessive perspiration, intertrigo, and poor personal hygiene are all predisposing factors of this disease. Hidradenitis begins with the inflammation of the sweat gland, which spreads to the surrounding subcutaneous adipose tissue. One or several dense diseased nodules appear deep in the skin, and the skin above them reddens. Then the nodules soften and open with the formation of purulent fistulous passages. The pus gets into the neighboring glands and infects them. The course of hidradenitis is long, often with relapses. Women are affected more often than men. Treatment of hidradenitis calls for antibiotics, physiotherapy, specific vaccinations, unspecific immunotherapy, and sometimes surgery.


Mnogotomnoe rukovodstvo po dermato-venerologii, vol. 2. Edited by S. T. Pavlov. Leningrad, 1961.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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Eccrine squamous syringometaplasia: a cutaneous sweat gland reaction in the histologic spectrum of 'chemotherapy-associated eccrine hydradenitis' and 'neutrophiliceccrine hydradenitis.' Arch Dermatol.