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Helicobacter pylori gastritis

Helicobacter pylori gastritis
(A) This low magnification illustrates the diffuse expansion of the lamina propria by a dense monocytic inflammatory infiltrate.
(B) This corresponding high magnification shows rare H. pylori organisms (arrow) as well evidence of activity (ie, neutrophilic infiltrate) in the surface epithelium (arrowheads).
Graphic 131611 Version 2.0