What are small and medium vessel vasculitis?

• Small vessel vasculitis (leukocytoclastic vasculitis) Henoch-Schönlein purpura – Other: Idiopathic – Malignancy-related – Rheumatologic – Infection – Medication • Urticarial vasculitis – Predominantly Mixed (Small + Medium) ANCA associated vasculitides – Granulomatosis with polyangiitis (Wegener) – Eosinophilic granulomatosis with polyangiitis (Churg-Strauss) – Microscopic polyangiitis