What are the differences between type a gastritis and type b gastritis?

Type A gastritis and type B gastritis generally refer to type A atrophic gastritis and type B atrophic gastritis. The difference between the two mainly lies in different causes, different sites of incidence and different clinical manifestations. The details are as follows:

1. Different causes of

type A atrophic gastritis are mainly caused by autoimmune factors, while type B atrophic gastritis is mainly caused by Helicobacter pylori infection.

2. Different sites of

incidence of type A atrophic gastritis are mainly in the stomach body, while the incidence of type B atrophic gastritis is mainly in the gastric antrum.

3. Different clinical manifestations

Type A atrophic gastritis is often accompanied by megaloblastic anemia and vitamin B12 deficiency. Patients can be manifested as fatigue, dizziness, lack of appetite, tongue pain, etc. While type B atrophic gastritis is often accompanied by peptic ulcer, patients can be manifested as upper abdominal pain, abdominal distension, nausea, belching, etc.