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. Author manuscript; available in PMC: 2010 Mar 15.
Published in final edited form as: Curr Gastroenterol Rep. 2008 Dec;10(6):543–547. doi: 10.1007/s11894-008-0100-1

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An experienced pathologist will have no difficulty recognizing this patient as a non-H. pylori infected chronic PPI user: the gastric corpus is completely devoid of inflammation, but parietal cells are hyperplastic and protrude into the lumen of dilated oxyntic glands. When these dilatations become more prominent (and, therefore, endoscopically visible) they are known as fundic polyps. Hematoxylin and eosin, original magnification 20×.