mastoiditis

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mastoiditis

inflammation of the mastoid process
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Mastoiditis

 

inflammation of the mastoid cells of the temporal bone, affecting the mucous membrane and bony tissue. Most ofter mastoiditis is a complication of a purulent inflammation of the middle ear. Primary mastoiditis arises as a result of trauma to the mastoid process or when infection from sepsis, syphilis, or tuberculosis penetrates by hematogenic means. Symptoms include sharp pain when pressure is applied to the anterosuperior part of the process or to its apex, reddening of the skin, swelling, flabbiness, and protrusion of the auricles forward and downward. In children the temperature rises to 39°-40°C; in adults it often remains normal. Treatment consists of administering antibiotics. If there is prolonged suppuration from the ear (three or four weeks) or at the first signs that infection has spread to the labyrinth and the meninges, treatment is surgical.

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

mastoiditis

[‚ma‚stȯi′dīd·əs]
(medicine)
Inflammation of the mastoid cells.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.