Gastric Adenocarcinomas in Central Tunisia: Evolution Specificities through Two Decades and Relation with Helicobacter pylori.

Introduction: In developed countries, authors have reported variations over time in the seat and histological type of gastric adenocarcinomas, which were explained by Helicobacter pylori infection (HPI) incidence changes. In North-African countries and the Arabic world, epidemiological changes in gastric adenocarcinomas are still unknown. Our study aims to explore and to describe those changes in central Tunisia.