[Gastric neuroendocrine tumors].

The aim of the article is to present the state-of-the art in terms of diagnosis and therapy of these rare, usually biologically inactive neuroendocrine tumors, being classified into three main types. They differ from each other according to the conditions of their origin, biological properties and management. Recent classification according to WHO and ENETS (European Neuroendocrine Tumor Society) and proposal of TNM classification are presented. Diagnostic methods and therapeutical procedures, including experimental approaches, are outlined.