VASCULITIS
Small vessel
Venule
Intravascular occlusion with no infiltrate
| Thrombi only | DIC/ Thrombotic thrombocytopenic purpura/ Caumarin-induced necrosis/ Paroxysmal nocturnal hemoglobuinuria/ Antiphospholipin syndrome |
| Occlusion by globulin | Waldenstrom's
macroglobulinemia Monoclonal cryoblobulinemia |
| Occlusion by cholesterol | Cholesterol emboli |