Helicobacter pylori is a gram-negative, spiral-shaped, microaerophilic organism that colonizes the stomach of humans and causes chronic-active gastritis, peptic ulcer disease, and gastric cancers, including adenocarcinoma of the stomach and MALT (mucosal-associated lymphoid tumor) lymphomas. H. pylori colonizes the stomach of over 50 % the world’s human population, primarily those who reside in...

In the first 24 hours after hospitalization, an emergency esophagogastroduodenoscopy was done and corrosive damages were observed along the esophagus, in the stomach and partially in the duodenum that bled temporarily. Postcorrosive burns of the esophagus and stomach of grade III according to Kikendal’ classification were confirmed and bleeding from the mucous membrane, submucosis and muscle la...

Gastric and duodenal neuroendocrine tumors (NETs) are not common; however, there is an increase in the incidence due to increased use of endoscopy. Endoscopic treatment has been applied treat small NET G1 stomach duodenum. For endoscopic NETs, it necessary evaluate tumor size, depth invasion, lymphatic distant metastasis. This article will review current knowledge concerning gastric tumors.

Since the development of endoscopic ultrasound (EUS), importance in using EUS pancreas and biliary tree has gradually increased. In order to properly observe EUS, it is necessary learn landmark structures at each location, such as stomach duodenum, positional relationship between them normal structures. this article, we will deal with examination method position linear radial reveal image.