Hiperplasia linfoide folicular gástrica e infección por Helicobacter pylori en adultos colombianos Gastric Follicular Lymphoid Hyperplasia and Infection by Helicobacter pylori in Colombian adults

SUMMARY An observation study, which analyzed cases and controls, was realized with 1850 adults subjected to upper digestive endoscopy, who were sent to the Endocentro Ltda. Medical center in Bogota, Colombia, due to diverse symp- toms, and who had not received previous treatment with antibiotics, antibacterial medication or medication that al- tered gastric secretion. Chronic follicular gastritis was found in