What is Pernicious Anemia
Pernicious anemia (also known as Biermier’s anemia , Addison anemia , or Addison-Biermer anemia ) is one of the many types of megaloblastic anemia1 and is caused by the loss of gastric parietal cells and the subsequent inability to absorb vitamin B 12 . Usually seated in an atrophic gastritis, the autoimmune destruction of gastric ...