Clinical characteristics of 365 gastric polyps

Objective To analyze the clinical characteristics of gastric polyps in different histopathological types. Methods Based on histopathological difference, gastric polyps were categorized into fundic gland polyps, hyperplastic polyps, inflammatory polyps, adenomatous polyps, etc; Different types of polyps in the aspects of distribution, Helicobacter pylori (H. pylori) infection, the relationship between the proton pump inhibitors (PPI) and the occurrence of gastric polyps to provide guidance on treatment Results 365 cases of gastric polyps were diagnosed in 10 197 patients who underwent gastroscopy. The prevalence was 3. 6%. The histopathological type of the polyps were fundic gland polyps (61. 1%), hyperplastic polyps (23. 3%) , inflammatory polyps (12. 3%) , adenomatous polyps (2. 2%). 289 cases showed single polyps, which was the majoriry across all types of gastric polyps. Majority of the gastric polyps were located in gastric body and fundus, followed by gastric antrum and cardia Most of the fundic gland polyps were located in gastric body and fundus; Majority of the hyperplastic polyps and adenomatous polyps were located in gastric antrum; The main locations of inflammatory polyps were cardia and gastric body and fundus. A higher percent (51. 6%) of fundic gland polyps patients used PPI. The difference was statistically significant compared with the hyperplastic polyps(8. 2%)and inflammatory polyps group(8.9%) (x2 = 48. 31,27. 63 ,P <0. 01). The H. pylori infection rate of hyperplastic polyps and inflammatory polyps were 72.4% and 74.4% ,respectively, both of which were higher than that of fundic gland polyps(20. 2%)(x2 =46. 50,35. 04, P < 0. 01) . One year after the H. pylori eradication, the recurrence cases of hyperplastic polyps and inflammatory polyps were 1/41 and 0/19,respectively. Conclusions The main histopathological type of gastric polyps is fundic gland polyps followed by hyperplastic polyps. The main location of the gastric polyps is gastric body and fundus, followed by gastric antrum and cardia. The distribution of different types of gastric polyps has some characteristics. Long-time usage of PPI may increase the risk of fundic gland polyps. The occurrence of hyperplastic polyps and inflammatory polyps may be related to H. pylori infection. The H. pylori eradication helps preventing the recurrence of hyperplastic and inflammatory gastric polyps. Key words: Gastric polyp; Helicobacter pylori; Proton pump inhibitor; Histopathological type