Abstract
We report 5 patients with eosinophil-associated gastrointestinal disorders (EGIDs) and asthma. All patients developed EGIDs while asthma remained clinically stable. Asthma severity was moderate persistent and severe persistent and 2 patients had intolerance to nonsteroidal anti-inflammatory drugs. By immunohistochemical analysis of the mucosa, eosinophils, macrophages, and T cells were found to be the major infiltrating cells. There was a lesser degree of infiltration of mast cells and B cells but no neutrophils. Compared with normal controls, increased counts of eosinophils and CD8+ T cells were found in the duodenum, and eosinophils, macrophages, and CD4+ T cells in the colon.
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