Chronic Atrophic Gastritis Presenting as Hemolytic Anemia due to Severe Vitamin B12 Deficiency

Figure 1

Gastric mucosa demonstrating chronic gastritis, intestinal metaplasia identified by Alcian blue-PAS stain, and absence of oxyntic glandular tissue, consistent with metaplastic atrophic gastritis. No dysplasia identified. No Helicobacter pylori identified by Giemsa stain.