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Updated: Feb 10, 2026

Detection of Helicobacter pylori Infection and Antibiotic Resistance via Stool Quantitative Polymerase Chain Reaction Analysis
Published on: May 16, 2025
Gastric inflammatory fibroid polyp treated with Helicobacter pylori eradication therapy
Shoji Hirasaki1, Minoru Matsubara, Fusao Ikeda
1Second Department of Internal Medicine, Sumitomo Besshi Hospital, Niihama. shoji_hirasaki@ni.sbh.gr.jp
Abstract:
Gastric inflammatory fibroid polyps (IFPs) are rare benign lesions that occur in the distal stomach. We describe a 56-year-old woman with Helicobacter pylori (H. pylori)-positive gastric IFP treated with eradication. Endoscopic examination revealed a submucosal tumor, 35 mm in diameter, with an ulcerated apex at the antrum. H. pylori were positive by both histology and tissue culture, and eradication (a proton pump inhibitor, amoxicillin, and clarithromycin) was performed. After 6 months, the tumor morphologically changed and decreased in size. This case suggests that H. pylori may play a role in the pathogenesis of gastric IFPs.
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