Diffüz antral gastrit ve multifokal atrofik gastritli hastalarda mide sıvısı askorbik asit düzeyleri ve epitel hücre proliferasyonlarının karşılaştırılması

Abstract

Background/aim: Diffuse antral gastritis (DAG) is a duodenal ulcer phenotype of chronic Helicobacter pylori gastritis, while multifocal atrophic gastritis (MAG) is a gastric cancer phenotype. The aim of this study was to investigate ascorbic acid (vitamin C) levels in the gastric juice in patients with DAG and MAG, to compare the gastric epithelial cell proliferation rates between the groups and also to examine any correlation between ascorbic acid levels in gastric juice and the cell proliferation rates. Materials and methods: Thirty-seven patients with chronic H. pylori gastritis (27 MAG, 10 DAG) were included in the study (male/female: 15/22, range: 19-74, mean age: 43.6 yrs). Ascorbic acid concentrations in fasting plasma and gastric juice samples of the patients were measured. Loss of maturation in foveolar epithelium due to cell proliferation was shown immunohistochemically using cytokeratin-20 antibody in antral and corporal regions of both patient groups. Results: There was no significant difference in plasma ascorbic acid levels between the two groups. No statistically significant difference could be demonstrated in gastric juice ascorbic acid concentrations between patients with DAG and MAG (0.93±0.97 mg/dl and 0.96±1.12 mg/dl, respectively; p>0.05). Immunohistochemical examination revealed that staining for cytokeratin- 20 was significantly less in MAG patients than in those with DAG (74.7% vs 90.9%, respectively; p