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  • Title: Acquired hyperplastic gastric polyps after treatment of ulcer.
    Author: Chang WH, Shih SC, Wang HY, Chang CW, Chen CJ, Chen MJ.
    Journal: J Formos Med Assoc; 2010 Aug; 109(8):567-73. PubMed ID: 20708507.
    Abstract:
    BACKGROUND/PURPOSE: Healing of gastric ulcers requires repair by epithelial migration and proliferation. We have found a small proportion of patients with acquired hyperplastic polyps at the healed ulcer site. The aim of this study was to identify clinical characteristics that might be associated with the development of hyper-plastic polyps at the site of healed gastric ulcers. METHODS: This was a retrospective review of 86 patients with gastric ulcers from April 2006 to September 2008. After initial endoscopy, the patients were all treated with proton pomp inhibitors, after which a second endoscopy was performed. Demographic data, polyp characteristics (endoscopic and histological), Helicobacter pylori status, and duration of treatment were analyzed. RESULTS: A total of 24 hyperplastic gastric polyps were found in 18 patients; all at the site of the healed ulcer (20 in the antrum and 4 in the corpus). The mean size of the ulcers prior to treatment was 14.5 +/- 9.1 mm. Hyperplastic gastric polyps were more likely to occur at the site of ulcers larger than 10 mm (odds ratio = 9.57, 95% confidence interval =2.50-36.65). Age, sex, H. pylori status, ulcer location and duration of treatment did not differ significantly between patients with and without polyps. CONCLUSION: Hyperplastic polyps that develop after healing of gastric ulcers are likely to be extensive mucosal injury. A gastric ulcer larger than 10 mm is associated with a significantly increased risk of hyperplastic polyps.
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