Granuloma

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granuloma

[‚gran·yə′lō·mə]
(medicine)
A discrete nodular lesion of inflammatory tissue in which granulation is significant.
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 It might be outdated or ideologically biased.

Granuloma

 

a focal growth of inflammatory origin in the cells of young connective tissue in the form of a small node.

Granuloma develops in connection with various (most often infectious) processes (tuberculosis, syphilis, leprosy, brucellosis, tularemia, actinomycosis), with collagenic diseases (such as rheumatism), and at the sites of entry of foreign bodies. Certain granulomas have more specific names, such as the tubercle in tuberculosis and the gumma in syphilis.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Main et al were successful in producing cholesterol granulomas in squirrel monkeys by obstructing the eustachian tube for 6 to 12 months.
MRI offers the superior soft-tissue differentiation that is necessary to distinguish between cholesteatoma, cholesterol granuloma, and intracranial suppurative complications.
Congenital cholesteatoma and cholesterol granuloma of the temporal bone: role of magnetic resonance imaging.
The mastoid portion was found to be filled with a dark purple tumor that was thought to represent cholesterol granuloma. The cyst wall of the cholesterol granuloma was very thick.
Cholesterol granuloma in the maxillary sinus, as reported in our cases, is a histologic finding associated with clinical symptoms of inflammatory diseases such as rhinitis and sinusitis [3,9].
Cholesterol granuloma is a fibrogranulomatous lesion that develops secondary to a foreign body reaction to cholesterol crystals and exhibits the accumulation of foreign body giant cells.
Endoscopic sinus surgery in cases of cholesterol granuloma of the maxillary sinus.
We report on 2 patients with petrous apex cholesterol granulomas who presented to the Division of Otolargynology and were treated at the UCT Private Academic Hospital, Cape Town.
Thus, cholesterol granuloma is a foreign-body reaction to Cholesterol Granuloma of Maxillary Sinus--Leon et al 217 the presence of cholesterol crystals formed during the inflammatory process.
MRI shows a classic hyperintense signal on both T1- and T2-weighted imaging, and this is pathognomonic for a cholesterol granuloma. (5) Occasionally, a cholesterol granuloma will demonstrate an area of hypointensity on MRI as a result of a solid mineral content within the cyst.
Phospholipids in atherosclerosis: the modification of the cholesterol granuloma by phospholipid.
We report the unique finding of a petrous apex cholesterol granuloma associated with a paraganglioma, also known as a glomus jugulare tumor, in a 52-year-old woman who presented to our department with pulsatile tinnitus, hearing loss, aural fullness, and disequilibrium.

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