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7973 Pathology

A biopsy of the antrum of the stomach of an adult who presents with epigastric pain reveals numerous lymphocytes and plasma cells within the lamina propria, which is of normal thickness. There are also scattered neutrophils within the glandular epithelial cells. A Steiner silver stain from this specimen is positive for a small, curved organism, which is consistent with

AEnteroinvasive Escherichia coli
BEnterotoxigenic E. coli
CHelicobacter pylori
DSalmonella typhi
Pathology
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