VASCULITIS

vasculitis-small.JPG (11992 oCg)
Small vessel

Venule Neutorphils
Lymphocytes
Lymphocytes and histiocytes
Intravascular occlusion with no infiltrate (simulator of vasculitis)
Arteriole Neutrophis early lymphocytes late Degos' disease

vasculitis-large.JPG (17814 oCg)
Larege vessel

Vein Leukocytoclastic Wegener's granulomatosis
Nonleukocytoclastic Thrombophlebitis
Artery Leukocytoclastic Polyarteritis nodosa
Nonleukocytoclastic Nodular vasculitis