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Gastric Endocrine Cells and Gastritis in Patients Receiving Long-Term Omeprazole Treatment

Solcia E.a · Fiocca R.a · Havu N.b · Dalväg A.c · Carlsson R.c

Author affiliations

aDepartment of Human Pathology, University of Pavia, and IRCCS Policlinico San Matteo, Pavia, Italy; bDepartment of Pathology, Safety Assessment, AB Astra, Södertälje, Sweden, and cGastrointestinal Research, Department of Medicine, Astra Hassle AB, Mölndal, Sweden

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Digestion 1992;51:82–92

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Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: February 04, 2009
Issue release date: 1992

Number of Print Pages: 11
Number of Figures: 0
Number of Tables: 0

ISSN: 0012-2823 (Print)
eISSN: 1421-9867 (Online)

For additional information: http://www.karger.com/DIG

Abstract

Both argyrophil endocrine cells and gastritis were investigated in 2,120 biopsies of gastric corpus mucosa from 443 out of 448 patients receiving long-term (for periods ranging from several months to 4 years) omeprazole treatment. None of the patients showed neoplasia or dysplasia, either endocrine or non-endocrine. In 123 out of the 443 patients (27.8%), endocrine hyperplasia of diffuse (9.3%), linear (4.1%) or micronodular (14.4%) type was detected either before or at some time during treatment. Chronic atrophic gastritis was found in 45 (10.2%) patients, 60% of whom also showed micronodular hyperplasia. In patients with chronic atrophic gastritis, micronodular hyperplasia occurred in 49% of 96 biopsies, compared with 6% of 1,083 biopsies from patients with non-atrophic chronic gastritis and 2% of 941 biopsies from patients with no evidence of gastritis. In 202 patients treated with omeprazole for at least 330 days, the incidence of micronodular hyperplasia increased from 2.5% at the first biopsy to 10.4% at the final biopsy, while the incidence of chronic atrophic gastritis increased from 1.0% to 13.0%. The present and parallel studies suggest that progression of gastritis is inherent in the natural history of acid-related diseases, while endocrine cell changes are mostly secondary to gastritis-related gland atrophy and have no tumorigenie potential.

© 1992 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: February 04, 2009
Issue release date: 1992

Number of Print Pages: 11
Number of Figures: 0
Number of Tables: 0

ISSN: 0012-2823 (Print)
eISSN: 1421-9867 (Online)

For additional information: http://www.karger.com/DIG


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