[Morphologic characteristics of the mucous membrane of the stomach and duodenum in patients with acute complications of gastroduodenal ulcers after surgical procedures].

Patients with acute complications of gastroduodenal ulcers are characterized by common morphological alterations in mucous membranes of the stomach and duodenum which consisted in higher or normal content of parietal, main and EcI-cells, substantial deficiency of Ec-cells as well as in progressively decreased mucin formation from proximal portions of the stomach to distal ones with its lowest level in the duodenum.