Gastric Cancer - Intestinal Metaplasia - Endoscopy (4 of 7)

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added:
13 years ago
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9309
specialty:
Gastroenterology

Case description

Intestinal metaplasia in the stomach increases the risk of gastric cancer, and the increased risk is proportional to the extent of the metaplasia. This risk could be generated by one or more mechanisms: (1) the metaplastic tissue is an early step in a multistep induction process; (2) the metaplastic tissue is an epigenetic change that raises the pH of gastric juice by replacing oxyntic mucosa, favoring the growth of a bacteria capable of generating endogenous mutagens; and/or (3) the metaplasia is only a marker for chronic gastritis due to helicobacter pylori infection or pernicious anemia. With the last mechanism.

tags: intestinal metaplasia gastric cancer gastric juice helicobacter pylori

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