The analysis of immunophenotype of gastrin-producing tumors of the pancreas and gastrointestinal tract.

Background: Gastrinomas are located more frequently in the pancreas, which normally has no cells that can produce gastrin. They have a more aggressive course than other pancreatic endocrine tumors and extrapancreatic gastrinomas associated with multiple endocrine neoplasia Type 1 syndrome. The current study analyzed immunophenotypes of gastrinomas and compared them with other pancreatic endocrine tumors.

[Surgical treatment of duodenal ulcer in elderly and aged patients].

Choice of treatment of duodenal ulcer in elderly and aged patients is discussed. Literature demonstrate high risk of recurrences even in adequate systemic drug treatment. In patients of this age group early organo-saving operations must be performed before development of complications.

[Current problems of the surgical treatment of uncomplicated duodenal ulcer].

How to choose treatments for uncomplicated duodenal peptic ulcer is discussed. The data available in the literature suggest that there is a high incidence of recurrent ulcers even after regular. This is evidenced by experience in examining and treating 1414 patients at the Institute of Surgery.