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Histological study of chronic gastritis from the United Arab Emirates using the Sydney system of classification.
  1. A M Zaitoun
  1. Department of Histopathology, Al Quassimi Hospital, Sharjah, UAE.

    Abstract

    AIMS--To determine the prevalence of Helicobacter pylori in five main nationality groups with gastric ulcer, duodenal ulcer, and non-ulcer dyspepsia; and to determine the histopathological types of gastritis and assess the graded variables of Helicobacter associated gastritis. METHODS--Gastric antral and corpus biopsy specimens from 437 patients were examined for the prevalence of H pylori, 337 of which were classified and graded histologically according to the Sydney system. RESULTS--The overall colonisation rate of H pylori was 90%, and there was no significant difference between groups of different ethnic origins. The colonisation rates were 99%, 89%, and 78% in patients with duodenal ulcer, non-ulcer dyspepsia, and gastric ulcer, respectively. Helicobacter associated gastritis was the most common form of chronic gastritis (87%). H pylori density was greater in the antrum than the body. Gastric atrophy in helicobacter associated gastritis was seen in 54% of the cases (43% grade I, 10% grade II, 1% grade III) and increased the older the patients. Atrophy of the corpus alone was very rare (1%). Atrophy and intestinal metaplasia were more prevalent in patients with gastric ulcer than duodenal ulcer. CONCLUSION--The colonisation rate of H pylori was similar in the five groups studied and was almost invariably present in gastric biopsy specimens in patients with duodenal ulcer. H pylori associated gastritis was the most common form of gastritis. Atrophy was mainly of low grade and increased the older the patient.

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