Helicobacter pylori Infection Is a Major Risk Factor for Gastric Carcinoma in Young Patients

2000 
Background: Helicobacter pylori has been established as a risk factor for gastric carcinoma (GCa). Since before the discovery of H. pylori, atrophic gastritis and intestinal metaplasia have been linked to GCa, especially the intestinal-type tumor. The prevalence of H. pylori infection and atrophic gastritis increase with age. Thus, analysis of H. pylori infection in young patients with GCa could help clarify the role of this bacterium in the development of GCa. Accordingly, we investigated the relationship between H. pylori infection, GCa, and histologic gastritis in patients less than 30 years old. Methods: Fifty GCa patients less than 30 years (mean, 26.4 years) and 100 sex- and age-matched controls (mean, 26.8 years) were examined for the presence of H. pylori infection and histologic gastritis. Results: The prevalence of H. pylori infection was significantly higher in GCa patients than in controls (94% versus 40%, P < 0.01). Its prevalence was not associated with tumor location, tumor stage, or his...
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