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• W1973732310 abstract "BACKGROUND: We conducted a case-control study to evaluate whether patients with severe gastric atrophy (indicated by serum pepsinogen concentration) have a high risk of gastric cancer.METHODS: At the time of diagnosis of gastric cancer, sera from 301 patients (cases) and 602 sex- and age-matched cancer-free individuals (controls) were tested for the presence of anti- Helicobacter pylori IgG antibody (HM-CAP enzyme-linked immunoassay [ELISA] kit; Kyowa Medix, Tokyo, Japan) and serum pepsinogen (PG) levels (PG I and II Riabead Kits; Dainabot, Tokyo, Japan). We defined positivity for pepsinogen a pepsinogen I concentration of less than 70 ng/mL and a PG I/II ratio of less than 3.0. We categorized the subjects according to serum pepsinogen levels and anti- Helicobacter pylori IgG antibody, creating four categories.RESULTS: Of the 301 cancer cases, 177 had positive serum pepsinogen levels, and 172 were positive for anti- Helicobacter pylori IgG antibody. The category in which subjects had positive serum pepsinogen levels and were negative for anti- Helicobacter pylori IgG antibody had the highest proportion (76.9%) of individuals with gastric cancer and the highest odds ratio (4.20) of the four categories. The odds ratios were 2.55 (95% confidence interval; 1.92-3.88) for positive serum pepsinogen levels and 0.93 (95% confidence interval; 0.63-1.27) for positive anti- Helicobacter pylori IgG antibody.CONCLUSION: These results suggest that patients with positive serum pepsinogen levels who are negative for IgG antibody to Helicobacter pylori, constitute a high-risk group for gastric cancer. Helicobacter pylori infection is associated with the development of gastric cancer by providing a suitable environment i.e., severe gastric atrophy, for carcinogenesis of the gastric mucosa." @default.
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• W1973732310 date "1998-03-01" @default.
• W1973732310 modified "2023-10-14" @default.
• W1973732310 title "Severe atrophic gastritis with Helicobacter pylori infection and gastric cancer" @default.
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• W1973732310 doi "https://doi.org/10.1007/s101200050005" @default.
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