title: [Gastric polyps. Experience at the department of endoscopy of the Salvador Zubirán National Institute of Nutrition].
abstract: During 1981-1989 we seen 54 patients with gastric polyps in the Instituto Nacional de la Nutrición SZ, Endoscopy Dept., México City. We found 100 polyps among 15,974 upper endoscopy studies (0.33%), being multiple in 22 patients with an overall of 68 polyps. Females had a predominance of 2:1 with prevalence from the 5th to 8th decades. All were asymptomatic in regard to polyps. Its main locations were in antrum (46%) and corpus (39%). They measured an average of 8 mm with a range from 5 to 25. Only three adenomatous polyps shows dysplastic changes, two with moderate dysplasia and one, bigger than 20 mm, had severe dysplasia (carcinoma in situ). Histological findings were: Inflammatory (chronic gastritis) 30%, adenomatous 22%, hyperplastic 17% and hamartomatous 13%. In seven patients we seen recurrence at follow up.
authors.affiliation: Departamento de Endoscopia del Instituto Nacional de la Nutrición, Salvador Zubirán.
authors.forename: R
authors.initials: R
authors.lastname: Santiago Gallo
authors.forename: H
authors.initials: H
authors.lastname: Rodríguez Hernández
authors.forename: J
authors.initials: J
authors.lastname: Elizondo Rivera
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D005773:Gastroscopy; D006757:Hospital Units; D006782:Hospitals, Special; D006801:Humans; D008297:Male; D008800:Mexico; D008875:Middle Aged; D011127:Polyps / Q000453:epidemiology / Q000473:pathology*; D012189:Retrospective Studies; D013274:Stomach Neoplasms / Q000453:epidemiology / Q000473:pathology*
vernacular_title: Pólipos gástricos. Experiencia en el Departamento de Endoscopia del Instituto Nacional de la Nutrición Salvador Zubirán.