Definition of Polyarteritis nodosa
1. Noun. A progressive disease of connective tissue that is characterized by nodules along arteries; nodules may block the artery and result in inadequate circulation to the particular area.
Medical Definition of Polyarteritis nodosa
1.
Necrotizing vasculitis of medium-sized arteries, usually in male adults, associated with hepatitis B antigen, kidney: most frquently involved organ (85%), multiple small intrarenal aneurysms, aneurysms may disappear (thrombosis) or appear in new locations, arterial narrowing and thrombosis (chronic/healing stage), multiple small cortical infarcts, associated with hypertension and renal failure, chest involvement (70%), cardiomegaly/pericardial effusion (14%), wedge shaped/round peripheral infiltrates simulating PE (14%), interstitial lower lung field pneumonitis, also may involve liver (66%), mesenteric vessels (50%), skeletal muscle (39%), skin (20%)
(12 Dec 1998)
Lexicographical Neighbors of Polyarteritis Nodosa
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