Pernicious Anemia and Helicobacter pylori Infection: What a Hematologist Needs to Know?

This case report emphasizes the importance of early detection and prompt treatment of Helicobacter pylori (H. pylori) as a reversible cause of autoimmune gastritis and its associated vitamin B-12 deficiency. Rapid eradication of H. pylori can significantly improve hematologic parameters and prevent the progression of autoimmune gastritis.