Helicobacter pylori is the most widen infection on the World. It is importrant factor in the genesis of ulcer disease, gastric carcinoma, gastric lymphoma, as a numerous extragastric disease. Diagnosis is made by invasive and non-invasive tests. Maastricht Consensus Report (2000) and First Consensus of Yugoslav Gastroenterologic Association recommend group of patients and methods for detection of Helicobacter pylori infection.
