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Scand J Gastroenterol. 1992 Oct;27(10):875-83.

Stereologic investigations of human gastric mucosa. II. Oxyntic mucosa from patients with Zollinger-Ellison syndrome.

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Dept. of Cell Biology, AB Astra Häsle, Mölndal, Sweden.


Biopsy specimens from the oxyntic mucosa were obtained on 210 occasions from 76 patients with the Zollinger-Ellison syndrome (ZES) before and during omeprazole treatment. One-micrometer sections were examined by light microscopy, and in 5% linear hyperplasia of endocrine cells was observed. Morphometry was carried out in 91 of the specimens and showed a significant increase of the mean endocrine cell density in comparison with both young, healthy subjects and patients suffering from active peptic ulcer disease (PUD). No metaplasia, dysplasia, or neoplasia was detected in patients with ZES, and the mean mucosal thickness and parietal cell density remained normal. The parietal cells often displayed endosome-like structures, and occasionally there were lingulate cytoplasmic projections into the gland lumen. Electron microscopic morphometry was carried out in specimens from nine patients with ZES and did not show any significant differences in the parietal cells in comparison with healthy subjects.

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