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자료유형
학술저널
저자정보
이선영 (건국대학교 의과대학 내과학교실)
저널정보
대한상부위장관 헬리코박터학회 Korean Journal of Helicobacter Upper Gastrointestinal Research Korean Journal of Helicobacter Upper Gastrointestinal Research Vol.23 No.2
발행연도
2023.6
수록면
108 - 117 (10page)

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The gastric cancer risk varies based on the etiology and severity of gastritis, which depends on a history of Helicobacter pylori infection and the secretory capacity of the stomach. Type A gastritis is associated with reverse atrophy of the corpus and type B with progressive atrophy extending from the antrum to the corpus. Diffuse or spotty redness in the corpus together with high serum pepsinogen (PG) II levels and a low PG I/II ratio are observed in patients with H. pylori infection when secretory capacity of the stomach is intact. Diffuse-type gastric cancer may develop near the gastric folds, which is a rare site of atrophy. Low serum PG I levels are associated with progressive gastric corpus atrophy and intestinal metaplasia in patients with chronic and previous H. pylori infections. This clinical scenario predisposes patients to intestinal-type gastric cancer, which originates in the atrophic and metaplastic gastric mucosa. Conversely, a high PG I/II ratio is observed in patients without H. pylori infection. Serum PG I levels and the PG I/II ratio are high in patients with acute H. pylori-negative gastritis, including drug-induced gastritis but are significantly low in autoimmune gastritis. Gastric neuroendocrine tumors may develop in patients with autoimmune gastritis or in those with long-term acid suppressant use. Fasting serum gastrin levels and the risk of neuroendocrine tumors are high in both cases. In this review, types of gastritis are summarized along with evaluation performed to determine the secretory capacity of the background gastric mucosa.

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