Nodular Gastritis and Pathologic Findings in Children and Young Adults with Helicobacter pylori Infection
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Abstract
Purpose: The aim of this study was to investigate the pathologic characteristics of nodular gastritis in children and young adults infected with Helicobacter pylori (H. pylori). Materials and Methods: A total of 328 patients were enrolled in this study, and the diagnosis of H. pylori infection was done with gastroduodenal endoscopy concomitant with a CLOTM test and pathologic analysis of the biopsy specimens. Diagnoses of normal, superficial gastritis, nodular gastritis, and peptic ulcer disease were made from the gastroduodenal endoscopic findings. The density of H. pylori organisms in the gastric mucosa was rated as normal, mild, moderate, or marked. The pathologic findings of nodular gastritis were based on the histopathologic findings of inflammation, immune activity, glandular atrophy and intestinal metaplasia. Each of these findings was scored as either normal (0), mild (1), moderate (2), or marked (3) according to the updated Sydney system and using visual analog scales. The gastritis score was the sum of the four histopathologic scores. Results: In this study, nodular gastritis (50.6%) was most common, and mild density (51.5%) H. pylori infection was also common upon microscopic examination. Intestinal metaplasia occurred in 9 patients (2.7%). Conclusion: Logistic regression revealed a significant increase in the incidence of nodular gastritis with gastritis score (p=0.008), but not an association with sex, age, or H. pylori density. Gastritis score was the only significant factor influencing the occurrence of nodular gastritis. Intestinal metaplasia, which was originally thought to be a pre-malignant lesion, occurred in 2.7% of the patients with H. pylori infection.
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