Eosinophilic Gastroenteritis
DEFINITION:
A rare, nonparasitic inflammatory disease of the GI tract with various degrees of eosinophilic infiltration anywhere in the tubular intestinal tract and biliary tree in the absence of vasculitis
ETIOLOGIES:
DDX (must exclude):
Syndromes and Disorders
Systemic Vasculitis
Parasitic
Churg-Strauss
Ancylostoma spp. (hookworm)
Reflux esophagitis
Polyarteritis nodosa
Anisakis spp.
Dermatomyositis/Polymyositis
Ascaris spp.
Idiopathic hypereosinophilic syndrome
Capillaria spp.
Eosinophilic granuloma (Histiocytosis X)
Scleroderma
Strongyloides spp.
Lymphoma
Eosinophilic fasciitis
Isospora belli (immunocompromised)

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