Polyarteritis Nodosa
Wed, 02/04/2009 - 15:03 — saif
Polyarteritis Nodosa
-more common in men
-affects small and medium vessels
-segmental, fibrinoid, necrosis
-an immune complex vasculitis
-the antigen (which causes the formation of antibodies) could be Hepatitis B or drugs (sulfonamides and penicillin)
-if lung involved à chest pain, cough, dyspnea, eosinophilia