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a Duodenal biopsy from a 10-year-old girl with a family history of allergy/atopy. Small intestinal mucosa shows villus blunting due to expansion of the lamina propria by heavy eosinophilic infiltration (H&E; ×100). b Eosinophilic infiltration of the crypt epithelium forming microabscesses (H&E; ×200)
