Eosinophilic granulomatosis with polyangiitis previously called<unk>  is a small and medium-sized necrotizing vasculitis, with extravascular granuloma formation. The disease was first described by<unk>  and<unk>  in 1951. The etiology is not known. However, various environmental factors, allergens, genetics, and drugs may play a role in triggering disease process by activating eosinophils, B and T lymphocytes and macrophages. The disease is characterized by the presence of asthma, peripheral eosinophilia, rhinosinusitis, peripheral neuropathy and multiple organ involvements including skin, GI tract, and kidney.
Churg-Strauss syndrome
Wegeners granulomatosis
Mixed connective tissue disease
Golfer's vasculitis
IMAGE syndrome
Familial Eosinophilic Cellulitis
Hypereosinophilic syndrome
Behçet's disease