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Aliment Pharmacol Ther. 2002 Apr;16 Suppl 2:187-90.

Sensitivity of biopsy site in evaluating regression of gastric atrophy after Helicobacter pylori eradication treatment.

Author information

1
Department of Gastroenterology, Hokkaido University Graduate School of Medicine, Kita-ku, Sapparo, Japan. tsugi@med.hokudai.ac.jp

Abstract

BACKGROUND:

Helicobacter pylori infection is a major cause of the progress of gastric glandular atrophy, a high-risk background factor in the development of gastric cancer. Regression of gastric atrophy is critical to prevention of cancer by H. pylori eradication treatment. However, it is controversial whether gastric atrophy regresses after H. pylori eradication.

AIM:

To determine the most sensitive and appropriate biopsy site for evaluation of regression of atrophy after treatment.

SUBJECTS AND METHODS:

Thirty-eight patients who showed regression of gastric atrophy in histology after treatment were investigated. Four biopsy specimens from the lesser and greater curvatures in the antrum and corpus were evaluated before and after treatment according to the Updated Sydney System.

RESULTS:

Regression of atrophy after treatment was seen in 30 of 38 biopsy specimens from the lesser curvature of the corpus (79%), and this site was most sensitive. Odds ratio of this site to the others was 8.28. Regression of atrophy in this site was observed at 12.2 months in the younger patients and 15.9 months in the elder patients.

CONCLUSION:

Biopsy sampling from the lesser curvature of the corpus is the most sensitive and appropriate for evaluation of regression of gastric atrophy after H. pylori eradication treatment.

PMID:
11966540
DOI:
10.1046/j.1365-2036.16.s2.17.x
[Indexed for MEDLINE]
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