Eosinophilic gastroenteritis

Abstract
Eosinophilic gastroenteritis is an uncommon condition affecting 1 or more segments of the gastrointestinal tract, mainly the stomach and small bowel, the principal changes being a variable degree of both edema and eosinophilic infiltration. Occurring at any age it is commonest in the 3rd decade, is often associated with abdominal pain and peripheral blood eosinophilia, and responds to steroids: allergy or asthma occurs in some 25% of patients. The edema and eosinophilia generally involve the submucosa but any layer of the gut may be affected. The etiology is discussed: no allergic or other cause was determined. Further knowledge of the role of the eosinophil may be necessary before the precise nature of the lesion can be understood. An association of eosinophilic gastroenteritis with malabsorptive or protein-losing enteropathies is noted.

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