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. 1978 Oct;93(1):53–68.

Mixed endocrine gastric tumors associated with hypergastrinemia of antral origin.

L I Larsson, J F Rehfeld, R Stockbrügger, G Blohme, I M Schöön, G Lundqvist, L G Kindblom, J Säve-Söderberg, L Grimelius, L Olbe
PMCID: PMC2018343  PMID: 696807

Abstract

A patient with atrophic gastritis and excessively raised serum gastrin concentrations (4000 to 5000 pg/ml) was found to have multiple polypous tumors of the gastric corpus mucosa. Following gastrectomy, serum gastrin concentrations decreased to undetectable levels. The tumors consisted of a mixed population of endocrine cells. The majority of tumor cells were of the ECL type, but, in addition, enterochromaffin cells of various subtypes as well as agranular cells were found. The tumors were locally invasive and invaded the walls of submucosal blood vessels. The surrounding mucosa showed a severe atrophic gastritis with intestinalization and contained numerous goblet cells, enterochromaffin cells, and cholecystokinin cells. Cholecystokinin cells do not occur in the normal oxyntic mucosa. Hence, the observation of this cell type in intestinalized gastric epithelium suggests that "intestinalization also is associated with changes in endocrine cell populations. Gastrin has been shown to affect the function of the ECL cells. Indications for a trophic action of gastrin on these cells have been obtained. It is discussed whether greatly raised serum gastrin levels in patients with atrophic gastritis may be associated with increased risks for the development of certain types of gastric tumors.

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Selected References

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