VASCULITIS
Small vessel - Venule - Neutorphils
| Leukocytoclastic vasculitis,
i.e.; nuclear "dust" of neutrophils, fibrin often in walls of vessels |
ACUTE: Henoch-Shonlein pupura/ Finkelstein's disease/ Churg-Strauss allergic granumatosis/ Wegner's granulomatosis/ Mixed cryolobulinemia Hypergammaglobulinemic purpura of Waldenstrom Drug induced/ Malignancy induced/ Hypocomplmentemia vasculitis/ SLE/ Rheumatoid arthritis/ Serum sickness Erythema nodosum leprosum Serum sickness CHRONIC: |
| Septic vasculitis, i.e.,thrombi in lumina | Chronic gonococcemia Chronic meningogococcemia Subacute bacterial endocarditis Staphylococcal septicemia |
| Neither leukocytoclastic nor septic vasculitis, i.e., fibrin in walls of venules and thrombi in lumina of same vessels |
Livedo vasculitis |
| Fibrin in walls, nuclear "dust", thrombi in lumina of different vessels | Behcet's syndrome |