H. pylori causes:
Chronic Gastritis: Type A Type B Autoimmune etiology Circulating antobodies to the parietal cell results in the atrophy of the parietal cell mass, resulting in hypochlorhydria and ultimately achlorydria Associated with pernicious anemia Primarily involves body and fundus Associated with H. pylori infection Primarily involves antrum Ref: Bailey 27th edition Pgno: 1115
Type A Gastritis
Type B Gastritis
Autoimmune
Allergic gastritis
G.I.T