重蹇等科大学 ngginMed由ical Universi Chronic gastritis Chronic gastritis,a common disease,is defined as the presence of chronic mucosal inflammatory changes leading to ●mucosal atrophy and epithelial metaplasia
Chronic gastritis Chronic gastritis, a common disease, is defined as the presence of chronic mucosal inflammatory changes leading to ●mucosal atrophy and ●epithelial metaplasia
國重走普种大 gqing Med山eal Universi Nonspecific chronic gastritis has many etiologies that produce similar or overlapping histologic features
Nonspecific chronic gastritis has many etiologies that produce similar or overlapping histologic features
重蹇等科大学 ongging Medical University 1.Etiology and Pathogenesis arises from the types of acute inflammation. helicobacter pylori autoimmune
1.Etiology and Pathogenesis arises from the types of acute inflammation. helicobacter pylori autoimmune
重蹇等科大學 gqing Med山eal Univer 2.Classification The two main types of chronic gastritis are examples of this classification in use: O H.pylori associated chronic gastritis of the antrum with moderate activity (formerly known as Type B gastritis). ● Auto-immune associated chronic pangastritis with severe atrophy (formerly known as Type A gastritis);
2.Classification The two main types of chronic gastritis are examples of this classification in use: ● H. pylori associated chronic gastritis of the antrum with moderate activity (formerly known as Type B gastritis). ● Auto-immune associated chronic pangastritis with severe atrophy (formerly known as Type A gastritis);
重瘥普科大嚼 ongging Medical University (1)Chronic superficial Gastritis With regard to the superficial gastritis and the chronic atrophic gastritis The mucosa appears normal in thickness or even slightly expanded due to the presence of a mononuclear cell infiltrate in the superficial lamina propria.This infiltrate consists predominantly of lymphocytes and plasma cells,but eosinophils may be present as well
(1)Chronic superficial Gastritis With regard to the superficial gastritis and the chronic atrophic gastritis . The mucosa appears normal in thickness or even slightly expanded due to the presence of a mononuclear cell infiltrate in the superficial lamina propria. This infiltrate consists predominantly of lymphocytes and plasma cells, but eosinophils may be present as well．