<unk>  <unk>  is a systemic necrotizing inflammation of blood vessels (vasculitis) affecting medium-sized muscular arteries, typically involving the arteries of the kidneys and other internal organs but generally sparing the lungs' circulation. Small aneurysms are strung like the beads of a rosary, therefore making this "rosary sign" an important diagnostic feature of the vasculitis.<unk>  is sometimes associated with infection by the hepatitis B or hepatitis C virus. The condition may be present in infants.<unk>  is a rare disease. With treatment, five-year survival is 80%; without treatment, five-year survival is 13%. Death is often a consequence of kidney failure, myocardial infarction, or stroke.
Polyarteritis nodosa
Lupus vasculitis
Takayasu's arteritis
Thromboangiitis obliterans
Livedoid vasculitis
Vasitis nodosa
Urticarial vasculitis
Diabetic angiopathy