Pathology and differential diagnosis of chronic, noninfectious gastritis

摘要: The histologic finding of chronic inflammation in an endoscopic mucosal biopsy the stomach (chronic gastritis) is very common and usually reflects presence Helicobacter pylori infection. However, infectious organisms are not always present material, some cases gastritis do result from H. Thus, differential diagnosis this important one for pathologists to keep mind. This review presents three most clinically significant causes chronic, noninfectious gastritis, namely, autoimmune atrophic lymphocytic gastric involvement setting inflammatory bowel disease, especially Crohn disease. For each entity, a brief discussion its etiology pathogenesis, clinical features, description microscopic findings presented context with emphasis on helpful histopathologic hints long-term sequelae.