Inflammation in the cardia

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Abstract
The detection of chronic inflammation and intestinal metaplasia at the gastric side of a normal-appearing esophagogastric junction started active research on gastric cardia pathology. The main causes for this interest have been the increasing incidence of gastroesophageal reflux disease (GERD) and cardia adenocarcinoma. Many controversies still exist. It is even controversial whether noninflamed gastric cardia epithelium is a normal structure present at birth or an acquired lesion as a consequence of GERD. Similarly, the pathogenesis of chronic inflammation and intestinal metaplasia of gastric cardia are a matter of debate. Some researchers consider these lesions to be a consequence of Helicobacter pylori infection, whereas others think that chronic cardia inflammation and intestinal metaplasia are consequences of GERD. In this paper we review recent published studies in this field.