Polyarteritis nodosa pathophysiology: Difference between revisions
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{{Polyarteritis nodosa}} | {{Polyarteritis nodosa}} | ||
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==Overview== | ==Overview== | ||
==Pathophysiology== | ==Pathophysiology== | ||
Polyarteritis nodosa is a disease of unknown cause that affects arteries, the blood vessels that carry oxygenated blood to organs and tissues. It occurs when certain immune cells attack the affected arteries.Inflammation starts in the vessel intima and results in [[fibrinoid necrosis]] by destroying the internal and external elastic lamina. Aneurysms and thrombi may develop at the site of lesions. One hypothesis is that this condition is caused by antibodies against HBV, via a [[Hypersensitivity#Type_3_-_immune_complex | type IIII hypersensitivity reaction]]. [[Hepatitis C]] associated polyarteritis nodosa is the most common type among the hepatitis C associated vasculitis and has a severe clinical presentation.<ref name="pmid20981809">{{cite journal |author=Saadoun D, Terrier B, Semoun O, ''et al.'' |title=Hepatitis C virus-associated polyarteritis nodosa |journal=Arthritis Care Res (Hoboken) |volume=63 |issue=3 |pages=427–35 |year=2011 |month=March |pmid=20981809 |doi=10.1002/acr.20381 |url=}}</ref> | Polyarteritis nodosa is a disease of unknown cause that affects arteries, the blood vessels that carry oxygenated blood to organs and tissues. It occurs when certain immune cells attack the affected arteries.Inflammation starts in the vessel intima and results in [[fibrinoid necrosis]] by destroying the internal and external elastic lamina. Aneurysms and thrombi may develop at the site of lesions. One hypothesis is that this condition is caused by antibodies against HBV, via a [[Hypersensitivity#Type_3_-_immune_complex | type IIII hypersensitivity reaction]]. [[Hepatitis C]] associated polyarteritis nodosa is the most common type among the hepatitis C associated vasculitis and has a severe clinical presentation.<ref name="pmid20981809">{{cite journal |author=Saadoun D, Terrier B, Semoun O, ''et al.'' |title=Hepatitis C virus-associated polyarteritis nodosa |journal=Arthritis Care Res (Hoboken) |volume=63 |issue=3 |pages=427–35 |year=2011 |month=March |pmid=20981809 |doi=10.1002/acr.20381 |url=}}</ref> | ||
== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
[[Category:Needs content]] | [[Category:Needs content]] | ||
[[Category:Diseases involving the fasciae]] | |||
[[Category:Rheumatology]] | |||
[[Category:Disease]] | |||
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{{WS}} | |||
Revision as of 14:13, 9 November 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Haritha Machavarapu, M.B.B.S.
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Overview
Pathophysiology
Polyarteritis nodosa is a disease of unknown cause that affects arteries, the blood vessels that carry oxygenated blood to organs and tissues. It occurs when certain immune cells attack the affected arteries.Inflammation starts in the vessel intima and results in fibrinoid necrosis by destroying the internal and external elastic lamina. Aneurysms and thrombi may develop at the site of lesions. One hypothesis is that this condition is caused by antibodies against HBV, via a type IIII hypersensitivity reaction. Hepatitis C associated polyarteritis nodosa is the most common type among the hepatitis C associated vasculitis and has a severe clinical presentation.[1]