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Benign and malignant gastric mucosal changes after partial gastrectomy
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
1978 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The development of benign and malignant mucosal changes in the gastric remnant were studied early (1-3 years) postoperatively in 55 patients and late (10-24 years) postoperatively in 336 of 676 patients subjected to partial gastrectomy for ulcer disease.

Chronic gastritis with atrophy, intestinal metaplasia and cystic dilatation of the gastric glands was found early postoperatively with the same prevalence in gastric and duodenal ulcer patients. Whereas the prevalence of atrophy, and of acute and chronic gastritis was the same both early and late postoperatively, the prevalence of intestinal metaplasia, cystic dilatation and lipid islands increased with time. The prevalence of inflammatory changes late postoperatively was not correlated to sex, age or type of anastomotic procedure.

A significantly increased risk for stump carcinoma was found in male patients more than 12 years postoperatively. No difference correlated to type of ulcer disease or anastomotic procedure could be demonstrated. In duodenal ulcer patients the time interval between operation and diagnosis of carcinoma was independent of age at operation, while in gastric ulcer patients the interval was shorter with increasing age at operation.

Gastric stump carcinomas were found in 12 of the 336 (3.6%) patients examined gastroscopically; four of these were early carcinomas. In four patients with stump carcinoma the correct diagnosis could not be established at the first examination.

Gastric polyps and precancerous mucosal changes were the only macro- or microscopical findings in some cases with already existing non-visible carcinoma.

The CEA immunohistochemical study of the gastric mucosa showed a positive reaction in 10 of 49 patients; 6 of the 10 had carcinoma, precancerous changes or adenomatous polyp. Three patients with diagnosed or later discovered carcinoma had CEA negative reactions. However, the results indicate that there is a correlation between demonstrated CEA content and increased risk for development of stump carcinoma. To evaluate whether this method can be used to identify patients at special risk for development of gastric carcinoma requires further study.

Because of increased risk for stump carcinoma, gastric ulcer patients ought to be examined with gastroscopy from about 10 years after partial gastrectomy, and duodenal ulcer patients from about 15 years, irrespective of the type of anastomotic procedure. Re-examinations ought to be performed every two to four years. In patients with gastric polyps or precancerous mucosal changes re-examinations should be performed earlier, within 6-12 months.

Place, publisher, year, edition, pages
Umeå: Umeå universitet , 1978. , p. 35
Series
Umeå University medical dissertations, ISSN 0346-6612 ; 34
National Category
Surgery
Identifiers
URN: urn:nbn:se:umu:diva-140863OAI: oai:DiVA.org:umu-140863DiVA, id: diva2:1150819
Projects
digitalisering@umu.seAvailable from: 2017-10-20 Created: 2017-10-20 Last updated: 2018-05-16Bibliographically approved

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