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polyarteritis nodosa

polyarteritis nodosa in Medicine

polyarteritis nodosa polyarteritis no·do·sa (nō-dō'sə)
n.
Systemic inflammation and necrosis occurring in medium-sized or small arteries. Also called Kussmaul's disease, periarteritis nodosa.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for polyarteritis nodosa

periarteritis nodosa

inflammation of blood vessels and surrounding tissue; it may affect functioning of adjacent organs. The cause of polyarteritis nodosa is unknown. The word nodosa ("knotty") forms part of the name because of the fibrous nodules along the medium-sized arteries that are affected. The course and symptoms of the disease vary. Men are more susceptible than women. The condition is diagnosed by microscopic examination of inflamed tissue and is treated with immunosuppressant drugs.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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